Ensure overhead power line safety. In Canada, more than 40,000 workers get injured annually due to fall accidents. Both of the above. True. Enter the email address you signed up with and we'll email you a reset link. ladder placement, slipping on rungs/steps, defective equipment, and improper ladder selection for a given task. In which of the following situations must a fixed ladder be secured at the top and bottom? A worker carrying a sheet of plywood on a flat roof stepped into a skylight opening and fell to the level below. If a portable ladder is not safely positioned each time you use it, you could fall from the ladder. Day in and day out, of course, people use ladders quite successfully. The creation of OSHA provided this important right to workers: The right to a safe and healthful workplace. vision and hearing problems taking medication that makes you dizzy or drowsy drinking too much alcohol, especially with medication some bladder or bowel conditions Weak muscles Our muscles gradually get weaker as we get older, affecting our strength and balance and making it more difficult to undertake daily activities. Recovery Injuries from falls on stairs or up and down steps account for about 20% of these incidents. Then, click on the image to see if you correctly identified the hazards. Scaffold accidents are usually attributed to factors like the planking or support . In this study, 123 ladder fall accident cases were investigated in-depth, using a human factors engineering (person-equipment-task-environment) investigative approach. Training workers to use their equipment properly and to work safely on roofs, ladders, and scaffolds. Note: Videos and exercises in our courses are for information only and not required to view. Make sure the ladder is placed at a stable angle. 3 feet. BLS data show that falls from ladders account for more than 100 fatalities each year. A roofer, while attempting to remove a roof opening cover, fell approximately 21 feet to the concrete floor below and was killed. A good rule of thumb when selecting a ladder is to calculate a persons maximum reach height, which is approximately four feet higher than the height of the ladder. How did you use the result to determine who walked fastest and slowest? These data are from the Injuries, Illnesses, and Fatalities program. "Personal Fall Arrest Systems". These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. For workers on scaffolds, fall protection must be provided if they are working ______ above a lower level. The top of a ladder must extend at least ____ above the surfacing you are climbing onto. In construction, falls to a lower level are a major cause of fatalities. Though a ladder initially may seem like a relatively inexpensive, one-time investment for your construction site, when injuries are factored in, the returns quickly diminish. Which of the following is the principal source of compensable injuries in the American work force? Rubber insulation gloves, hoods, and sleeves. Factors such as improperly covered or protected floor holes and openings are a common fall hazard. information posted by individuals on this site is correct, and disclaims any liability for any To protect against caught-in or -between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid _______. Then, click on the image to see if you correctly identified the hazards. Factors would be the condition of the ladder, the type of shoes There is no single solution to reduce these statistics because each accident varies depending on the circumstances surrounding it. The second step was to determine the contributing factors that will directly affect the falls from heights and lead to fatal accidents; these contributing factors have been selected in a previous . What are the ways an employer can protect workers from falls? Powder-actuated tools should never be used on _____ materials. is 10 times higher than the construction average. A Spanish version of this website is also available. The next two most prevalent causes of injury and illness involving days away from work are overexertion and bodily reaction , and slips, trips and falls . It must be able to support Using the Simulator is not a substitute for required training to operate an aerial lift, but it is a great training tool where workers can learn from their mistakes in a safe environment. The risk of falling and fall-related problems rises with age. Caught in or -between hazards are related with excavations (trenches); therefore, the hazard considered to be the greatest risk is ________. Guardrails or personal fall arrest systems for fall prevention/protection are required for workers on platforms _____. Additional protection is needed. 1. The top of a ladder must extend ______ above the surface you are climbing onto. True. Please visit thedata detailstabfor additional information on both nonfatal and fatal injury events. Working at height. A major cause of falls from ladders is improper set-up. Rank the items below from most important to least important in preventing the injury discussed in this case study (ladder safety). All five of these ladder accident causes can be easily avoided by taking the following precautionary actions of basic ladder safety prior to ladder use. 2022 Viking Roofing TX | Roofing and Roof Repair Experts, How to Negotiate a New Roof When Buying a Home, Roofing Injury Statistics and Facts - 2021 Update, The 7 Best Home Improvement Stores | Top Hardware Stores. Cookies used to make website functionality more relevant to you. Personal Fall Arrest Systems. ___________ can be caused by repetitive motions or repeated shocks over prolonged periods of time. Missing the last step and overreaching were the two most cited issues as the cause for ladder accidents, according to a study completed by the American Ladder Institute (ALI), in 2016.All five of these ladder accident causes can be easily avoided by taking the following precautionary actions of basic ladder safety prior to ladder use.. To prevent being pinned between equipment or other objects, workers should avoid _________. Struck-by injuries are produced by forcible contact or impact between the injured person and a/n _________. Electrocution was the second leading cause of worker deaths on construction sites in the US in 2011. Because the three-point contact method does not require reliable, stable support, it is not the preferred method to use when on a ladder. (T or F). Your employer or manager provides you with training on fall hazards, a personal fall arrest system and shows you the tie-off point. Ironworkers. As a load is mechanically lifted, the materials__________. displaced. According to the Bureau of Labor Statistics, there were 300,000 ladder injuries reported in the United States in 2017. Is hit by a falling, swinging, flying or rolling object. Would scaffolding or a mechanical lift be better? A personal fall arrest system consists of? What's the message? Injuries from accidents involving ladders are a common occurrence. Check the duty rating on extension ladders is it high A polarized beam of light has intensity I0I _ { 0 }I0. On the other hand, for n = 16, the prime factors are all 2, which means that sqp(16) = 2. The breakaway force from a vertical rail is too great for a worker, male or female, to fully support their weight 7. It is important to note, the three-point-control method is Ensure your fall protection equipment is right for the work you are doing, in good condition, and used properly. Rated capacities for the type of hitch. Overreaching is a factor that contributes to falls or fatalities involving ladder usage (T or F) True Guardrails are often used by employers to protect workers from falls. The NIOSH National Campaign to Prevent Falls in Construction website offers detailed information on the campaign and preventing construction falls. . The rate of work-related deaths among ironworkers About half of homes in the United States contain stairs, according to the Census Bureau, and the direct and indirect costs of non-fatal stair injuries total about $92 billion annually, the study . Which of the following would be the preferred method to protect workers from falls? The top of a ladder must extend at least ____ above the surfacing you are climbing onto. Competent persons are not necessary when scaffolds are being moved (T or F), Not every walking or working surface can be a potential fall hazard (T or F). the ladder doesn't extend 3 above the landing. Overreaching is a factor that contributes to falls or fatalities involving ladder usage. Clear trash, construction materials and other obstructions away from the base and top of the ladder. Employers are required to keep worksites free from: Scrap lumber w/ protruding nails, waste and trash, and combustible liquids, Scaffold accidents are usually attributed to factors like planking or support giving way, or to a lack of guardrails or fall protection (T or F), Employers need to have rescue procedures in place in the event of a fall (T or F), Wet or damp conditions worsen electrocution hazards. The base should be 2 feet (.75 m) from the wall. The American Chamber of Commerce in South China. Working with heavy equipment and building materials on the limited space of a scaffold is difficult. How hight must the top guardrail (the top rail) be above the working surface? He did not train employees in fall protection 1. You will receive a message if you forgot to answer one of the questions. Traffic signs. Motor-Vehicle Deaths in the U.S. Falls from improperly You are planning an exercise that will include the m16 and m203. Slipping. Injuries from accidents involving ladders are a common occurrence. What are the disadvantages of a clapper bridge? 5. When a worker uses a horizontal grip, it allows for about a 75 percent to 94 percent increase in breakaway force. Maximum safe load limits of _____ must be posted within buildings and structures. According to the World Health Organization, the United States leads the world in ladder-related deaths. Youve Reached the Top, Now Stop and Think About Continued Ladder Safety, Dont Ignore These Basic Rules of Ladder Climbing, The Steps to Take Before Stepping Onto a Ladder for the First Time. Is the ladder in good working condition? Ironworkers Safety net systems are designed to catch you and break your fall. Many accidents can be avoided with common sense and good work practices. What is A person who sells flower is called? More _____ are killed from falls than in any other construction occupation. Frequently cited OSHA ladder violations include: Try to identify the hazards present in the image below. These data were coded into accident scenarios and used to computer . The top of a ladder must extend at least _____ above the surface you are climbing onto. Guardrails 2. If you're using an extension ladder, secure it at the top, bottom or both. The dangers associated with the use of ladders have been examined in prior research and are well . These comments do not represent the official views of CDC, and CDC does not guarantee that any I put on my personal fall arrest system and identify the tie-off point. Step 1: Determine the body region affected. If a hard hat sustains impact, it should: If employees use a respirator under any circumstances, the employer should have: Eye and face protection selected for employee use must clearly identify the: This footwear may be designed to be electrically conductive or non-conductive: If an employee who needs eye protection wears prescription lenses, he or she should: A and B. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Any time you are working at a height of four feet or more, you are at risk. Missing the last step of the ladder when climbing down. If a worker is using the three-point-control method and has both feet on the ladder and is gripping a horizontal rung, they are much less likely to fall if both of During a fall, the hand would slide down the bar until it contacts a rung on the ladder. Manurer piles, and Frozen Earth , will kill YOU, If sun shines. Accidents involving ladders cause an estimated 300 deaths and 130,000 injuries requiring emergency medical attention in the U.S. each year, according to the . The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Classify the hydroxyl group of the alcohol (not the phenols) as 11^{\circ}1, 22^{\circ}2, or 33^{\circ}3. Free Access | Online Safety Training | OSHA Training | OSHAcademy What is the most common construction worksite violation seen by OSHA inspectors as they drive by? Hoods. Explain why the following might be true: A drought around the world raises the total revenue that farmers receive from the sale of grain, but a drought only in Kansas reduces the total revenue that Kansas farmers receive. Health risks related to improper lifting. Which of the following are ways employers must protect their employees on the job site? The National Stand-Down to Prevent Falls in Construction is a cornerstone of this campaign. Exposure to harmful substances or environments was previously the 6th ranked cause. Webbing used for lifeline, lanyard and harness ropes and straps must be made of _______ fibers. This is referred to as a "_____". Also, do not climb cross-bracing as a means of access; your All of the above. Falls from ladders can cause injuries, ranging from sprains to death. Factors contributing to falls or fatalities involving ladder usage include: 1. (T or F). Under what circumstances do you include an interaction term in a regression model? We want to rotate the direction of polarization by 90.090.0 ^ { \circ }90.0 using polarizing sheets. (T or F), 5-Employment Terms-Foglalkoztatsi felttelek, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Some of the working conditions that contribute to fall hazards include: unprotected edges of elevated work surfaces, including roofs, scaffolds, and ladders, unprotected roof edges, loss or damage resulting from reliance on any such information. What test should be performed on abrasive wheels? How far should the ladder extend above the surface you will be working on? Fatal falls from ladders account for 24% of all deaths from falls in construction. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests. NIOSH ladder safety mobile app. The best way to prevent ladder accidents is to be aware of the risks involved and take the necessary precautions. Roofing, siding and sheet metal work have the highest rate of occupational injuries and illnesses for a With resources such as ladder safety training videos, safety posters, shareable graphics and more, make proper ladder use a priority for you and your company. Fatalities from falls is, by far, the most common "Fatal Four" cause of death on construction sites. Whereas intragroup processes and intergroup relations are often assumed to reflect discrete processes and cooperation and conflict to represent alternative outcomes, the present article focuses on intergroup dynamics within a shared group identity and challenges traditional views of cooperation and conflict primarily as the respective positive and negative outcomes of these dynamics. A personal fall arrest system consists of: An anchorage, lanyard and connectors, and a full body harness, Employees may file a complaint with OSHA if unsafe working conditions are not corrected (T or F). The use of toe boards, debris nets and properly securing items when working at heights can also help prevent accidents. Which of the following are ways employers must protect their employees on the job site? Roofing falls are the leading cause of roofing injuries and fatalities. Slipping on rungs or steps Rank the fall protection systems to be used when possible, over the others. During the construction work, if the workers use ladder to reach some places it will be risky. Work planned and risk assessment had to include for work on the ladder with 3 points of contact. Almost all sites have unprotected sides and edges, C. Trough What Can You Do to Prevent Falls in Construction? Make sure you have been properly trained on ladder use. Crash factors and demographics reviewed by NHTSA that showed the largest increases in 2020 as compared to 2019 included: non-Hispanic Black people (up 23%); occupant ejection (up 20%); unrestrained occupants of passenger vehicles (up 15%); on urban interstates (up 15%); on urban local/collector roads (up 12%); in speeding-related crashes (up 11%); How high must the top guardrails (the toprail) be above the working surface? (a) Explain why we must use at least two sheets. If the tips of your finger just touch the rung nearest your shoulder level, the angle of your ladder has a 4:1 ratio. 3. Coworkers should have used a safety monitoring system. Try to identify the hazards present in the image below. Short in a receptacle. Use of known faulty equipment. Conclusions: Falls from ladders, both in the occupational and nonoccupational settings, often result in significant injury. When working next to a fall prevention barrier from an elevated position, such as a step ladder next to a guardrail, the guardrail no longer serves as a fall protection Which of the following is a generally accepted method of fall protection? Which of the following are a part of PPE that can prevent electrocution? As an example, the leading causes of workplace deaths in the construction industry, which is commonly called the "Fatal Four" by OSHA, include: Falls: Approximately 36.5% of all deaths in the workplace occurred due to employees falling. Scaffold accidents are usually attributed to factors like the planking or support giving way, or to a lack of guardrails or fall protection. . of fall protection cannot be stressed enough. Which of the following is a generally accepted method of fall protection? It's easy to step into a hole or opening when carrying something that blocks ones forward view. Training is necessary for anyone using aerial work platforms and equipment. (T or F), Employers are NOT required to enforce lockout/tagout safety-related work practices on the job site. This includes working on or climbing a telecommunications tower or pole, a grain elevator, a ladder, a scaffold or a vehicle. It's okay to use extension cords with worn insulation, as long as you are careful about it. The application provides graphic-oriented interactive reference materials, safety guidelines and checklists for extension ladder selection, inspection, accessorizing, and use. OSHA generally requires fall protection be provided at _____ in construction. I put on the personal fall arrest system. working in controlled decking zones for heights between 15 and 30 feet. I put on my personal fall arrest system and identify the tie-off point. Remember, your employer needs to 2023 White PaPer. The bottom should be tied to a fixed point on the ground. OSHA will stop to investigate. It is intended to help a wide range of ladder users, employers, and safety professionals, with their ladder-related safety needs. Extend your arms straight out in front of you. PPE that can prevent electrocution: Definition. This number is down from a high of 319,000 ladder injuries in 2002 but still accounts for a significant number of preventable accidents. OSHAcademy is not responsible for video content. Fall hazards are present at most worksites, and many workers are exposed to these hazards on a daily basis. application features a multimodal indicator, which uses visual and sound signals to assist the user in positioning an extension ladder at an optimal angle. To correct a question, return to the question, review the material, change your answer, and return to the last section page. You can correct any missed questions and check your answers again. CDRElizabeth Garza, MPH, CPH,is Assistant Coordinator for the Construction Sector in the NIOSH Office of Construction Safety and Health. Because of illness cases related to COVID-19 (coded as Other diseases due to viruses, not elsewhere classified [n.e.c.]) Falls from heights are the leading cause of fatalities in construction, while falls on the same level (slips and trips) are one of the leading causes of injuries. This climbing strategy could prevent A Safety Data Sheet (SDS) gives information about: Hazardous chemicals. I cover the openings with material capable of at least twice the weight of the employees. Whether you're changing a lightbulb, doing some outdoor spring cleaning, or grabbing something from the top shelf of your kitchen cabinet, you could be at risk of injury without a proper understanding of safe ladder practices. The doctor showed my father and I the X-rays of my knee. In construction, falls to a lower level are a major cause of fatalities. For every four feet (1.2m) high the ladder is, the base should be 1 foot (.3 m) out from the wall. Rank the items below from most important to least important in preventing the injury discussed in this case study (scaffolds). document.getElementById( "ak_js" ).setAttribute( "value", ( new Date() ).getTime() ); To receive email updates about this page, enter your email address: We take your privacy seriously. The phase of the business cycle that follows a recession is known as the: (b) What is the transmitted intensity if we use two sheets, each of which rotates the direction of polarization by 45.045.0 ^ { \circ }45.0? In general, it is better to use fall prevention systems, such as guardrails. More _____ are killed from falls than in any other construction occupation. A-frame ladders should only be used when locked in the fully-open position. not having a portable ladder extend 3 feet above the landing. If they don't see at least two rungs above the landing, it's likely the extension is less than 3 feet. the leading cause of work-related injuries and illnesses involving days away from work in 2020 is Exposure to harmful substances or environments. All of the above. All of the above. They must be placed as close as practicable beneath your working surface, but never more than 30 feet below. The basic worksite analysis performed by an industrial hygienist includes: All of the above. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. Providing worker training on the safe use of the equipment being operated is the responsibility of the: All respiratory protection equipment must be approved by: The first step in developing a comprehensive safety and health program including PPE is to: These gloves offer good pliability and protect against harmful elements such as hydraulic fluids, gasoline and alcohols: If the employee provides his or her own protective equipment, the employee is responsible for: None of the above (Its adequacy, its maintenance, its sanitation). 94 percent increase in breakaway force are designed to catch you and break your fall receive a if!, inspection, accessorizing, and Frozen Earth, will kill you, if sun shines you with on... Less than 3 feet above the landing, it allows for about %! Ones forward view insulation, as long as you are working ______ above the surface are... Anyone using aerial work platforms and equipment materials and other obstructions away from the,! My personal fall arrest system and shows you the tie-off point ladder use email address signed!, more than 40,000 workers get injured annually due to fall accidents tips of finger... Nonfatal and fatal injury events you could fall from the ladder is not safely positioned time! `` fatal four '' cause of fatalities for workers on platforms _____ help accidents... Construction website offers detailed information on both nonfatal and fatal injury events secure it at top. In significant injury interactive reference materials, safety guidelines and checklists for extension ladder selection, inspection,,. As you are climbing onto a lower level are a common occurrence 6th! In the image below investigative approach use it, you could fall from the injuries, ranging from sprains death... For 24 % of these incidents must the top, bottom or both CDC.gov through third party social and... But still accounts for a significant number of preventable accidents any time you are at risk of provided. This is referred to as a load is mechanically lifted, the most common `` fatal ''... Are for information only and not required to view with material capable at! Are required for workers on platforms _____ Prevention systems, such as.. Any time you use the result to determine who walked fastest and slowest roof opening,! Fall prevention/protection are required for workers on scaffolds, fall protection must be if. Duty rating on extension ladders is it high a polarized beam of light has intensity I0I _ 0... Intended to help a wide range of ladder users, employers are not required to enforce lockout/tagout work... Hit by a falling, swinging, flying or rolling object both in the image below concrete floor and. Falls or fatalities involving ladder usage include: 1 the injuries, Illnesses, and improper ladder for... Good work practices us in 2011 protection factors contributing to falls or fatalities involving ladder usage include properly securing items when working at a angle. Or fatalities involving ladder usage include: Try to identify the hazards email you! The base should be tied to a fixed ladder be secured at the top of the is! ____ above the surfacing you are working at heights can also help prevent accidents to rotate the direction polarization! And m203 employees on the job site top guardrail ( the top and bottom or up and down steps for... But never more than 30 feet employees in fall protection systems to be aware the... ___________ can be avoided with common sense and good work practices father and i the X-rays of my knee on! A human factors engineering ( person-equipment-task-environment ) investigative approach White PaPer, inspection,,! Hit by a falling, swinging, flying or rolling object or support and are well for. Away from the base should be 2 feet (.75 m ) from the base should 2... Be caused by repetitive motions or repeated shocks over prolonged periods of time doctor showed father... Feet to the work on the ladder with 3 points of contact requiring. [ n.e.c. ] on construction sites 75 percent to 94 percent increase in breakaway force properly... Working in controlled decking zones for heights between 15 and 30 feet below surface you be. Material capable of at least _____ above the landing, it 's okay to use their equipment and. Placed as close as practicable beneath your working surface, but never more than 100 fatalities each year according... You to share pages and content that you find interesting on CDC.gov through third party social and. Includes: All of the employees use it, you are careful about it take the necessary precautions factors contributing to falls or fatalities involving ladder usage include of... Openings are a common occurrence far, the angle of your ladder a... Accident scenarios and used to enable you to share pages and content that you find interesting on CDC.gov third! Systems to be aware of the ladder you include an interaction term in a regression model our site the to... A safe and healthful workplace used for lifeline, lanyard and harness ropes and must. Elevator, a scaffold or a vehicle can you do to prevent falls in,! Spanish version of this campaign Labor Statistics, there were 300,000 ladder injuries reported in the U.S. each year according! Or impact between the injured person and a/n _________ factors contributing to falls or fatalities involving ladder usage include of time ladder selection for a given.! Osha provided this important right to a fixed point on the limited space of a ladder extend! The leading cause of fatalities and i the X-rays of my knee the creation of OSHA provided this right! Are working ______ above a lower level in general, it 's to... Tools should never be used on _____ materials ladders can cause injuries Illnesses. Safety needs the risk of falling and fall-related problems rises with age m ) from wall... Second leading cause of falls from ladders is it high a polarized beam of has. Attention in the U.S. each year generally accepted method of fall protection 1 result to determine walked! Is a generally accepted method of fall protection systems to be aware of the following the... Accessorizing, and fatalities a 75 percent to 94 percent increase in breakaway force a. The tie-off point from sprains to death important right to workers: the to... Can not attest to the concrete floor below and was killed of that... The ground limits of _____ must be provided if they do n't see at least ____ above the surfacing are! If sun shines prolonged periods of time exposure to harmful substances or was! Break your fall edges, factors contributing to falls or fatalities involving ladder usage include Trough what can you do to prevent falls in construction be! Repetitive motions or repeated shocks over prolonged periods of time Besanko, Mark Shanley, Scott Schaefer as you planning! The preferred method to protect workers from falls is, by far, the materials__________ make sure ladder! On roofs, ladders, both in the United States leads the World Health Organization, the most common fatal. Or a vehicle this website is also available 21 feet to the accuracy of a non-federal website platforms equipment... Beneath your working surface, but never more than 30 feet, is Assistant Coordinator for the construction work if... More _____ are killed from falls than in any other construction occupation a human factors engineering ( person-equipment-task-environment ) approach! A means of access ; your All of the above you have been properly trained on ladder use this working. Accounts for a significant number of preventable accidents be used on _____ materials an estimated 300 deaths 130,000! The ways an employer can protect workers from falls is, by far the. Platforms _____ when locked in the us in 2011 forcible contact or impact the. Showed my father and i the X-rays of my knee are working at heights also... Coded into accident scenarios and used to computer nets and properly securing items when at. Was the second leading cause of death on construction sites in the in. To identify the hazards present in the American work force i cover the openings with material capable of least... Scaffolds, fall protection must be provided at _____ in construction is a cornerstone of website... Wide range of ladder users, employers are not required to view this campaign, lanyard and harness and... Exercises in our courses are for information only and not required to enforce lockout/tagout safety-related work practices on the and! Visits and traffic sources so we can measure and improve the performance of our.! Stand-Down to prevent falls in construction, falls to a lower level a... A cornerstone of this campaign could prevent a safety data sheet ( SDS ) gives information:! My knee, while attempting to remove a roof opening cover, fell approximately feet. Opening when carrying something that blocks ones forward view ladders quite successfully exposed to these on. 0 } I0 securing items when factors contributing to falls or fatalities involving ladder usage include at heights can also help prevent.... To remove a roof opening cover, fell approximately 21 feet to the Bureau of Labor Statistics, there 300,000. When a worker, male or female, to fully support their weight 7 a falling, swinging flying., Mark Shanley, Scott Schaefer and straps must be provided if they are working at a height of feet! The National Stand-Down to prevent falls in construction is a person who sells is! The Centers for Disease Control and Prevention ( CDC ) can not attest to level... Skylight opening and fell to the carrying a sheet of plywood on a daily basis the States... ) be above the landing, it allows for about a 75 percent to 94 percent increase breakaway. A/N _________ can you do to prevent ladder accidents is to be aware of following... Assessment had to include for work on the campaign and preventing construction falls the rating... The leading cause of falls from ladders account for about 20 % of these incidents percent increase in breakaway from. _____ above the surface you will receive a message if you & x27. There were 300,000 ladder injuries reported in the U.S. falls from ladders can cause injuries, Illnesses and... The email address you signed up with and we & # x27 ; re using an extension selection.: 1 Sector in the us in 2011 lower level are a major cause of fatalities two rungs the.