The typical PTO shaft can:
* Wrap up 424 feet of shoe lace in one minute at 540 rpm, or 785 feet of shoe lace at 1000 rpm. How long is your shoe lace?
* Wrap your arm or leg around the PTO shaft nine times in one second at 540 PTO rpm, or nearly 16 times in one second at 1000 PTO rpm. Is your body that flexible?
* Produce second degree burns on your skin, even if you are lucky enough to have the PTO strip only the cotton clothing from your body. Nylon and other synthetics will cut into skin and muscle tissue rather than rub across it.
* Grind away skin, muscles, tendons, and break bones starting in less than three-fourths of one second when you are caught by an unshielded PTO shaft.
* A very strong man can generate about three-fourths of one horsepower. A tractor transmits nearly all of the engine horsepower to the PTO shaft. There is simply no contest; even between a very strong man and a PTO shaft — the tractor will win.
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Think about these questions when selecting a tow rope, chain, or cable for pulling something. A lot of power will be attached to whatever towing device you choose, easily stretching it to the limit. When that limit is reached, something will break. The hook, chain or cable will become a missile that could cause a terrible injury or death as it rebounds.
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A safe way to prepare yourself for operating a chain saw is to read the operator’s manual and obtain training from someone who is experienced with chain saws. It is very important to become familiar with the recommended safe operational procedures before attempting to work with a chain saw. You could learn the safety information from experience alone but that may have a very high price — mishap and injury — and probably isn’t worth it.
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You can view an 8-minute video on crane safety. (OSHA website)
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This manual is available as a .pdf document. Updated, 2009 edition.
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This OSHA website provides an alphabetical list of downloadable presentations and videos on various safety topics. Many of these PowerPoint or streaming video presentations are on very specific safety topics and can be used for training.
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Briefly discusses the Resource Conservation and Recovery Act, the Clean Water Act, The OSHA Emergency Action Plan, the Comprehensive Emergency Response, Compensation and Liability Act, the Clean Air Act 112R, and Risk Management Plan.
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Vermont Safety Information Resources, Inc. provides links to PowerPoint, text and graphic files concerning a broad range of safety and health issues including electricity, indoor air quality, artist waste, purchasing economics, respiratory protection, driving safety, radiation safety and more. Graphic files can be used for fliers or posters, etc. PowerPoints could be used for training.
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Provides links to information about safety and health at work, including publications, funding opportunities, the National Occupational Research Agenda (NORA), training, evaluations, conferences, press releases and state activities. A branch of Centers for Disease Control and Prevention, U.S. Department of Health and Human Services.
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Information about workers’, community’s, responders’ and planners’ rights & roles in regard to chemical spills. Provides links to government-sponsored web sites regarding health effects of chemicals.
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