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Niosh Alert : Warning! Serious Knee Injries Frequently Result When Carpet Layers Kneel on Hard Surfaces and Use a Knee Kicker to Install Carpet

By Department of Health and Human Services

1. Post hazard signs at all openlngs of all manure pits. 2. Provide powered, continuous, fresh-air ventilation with explosion-pmof equipment before entering a manure pit. 3. Always test the atmosphere inside a manure pit before entering to ensure that the concentration of oxygen is adequate and that a toxic or explosive atmosphere does not exist. 4. Make sure that someone maintains constant contact from outside the pit and can lifl you to safety with mechanical equipmerrt {winch, hoist, or pulley) in case of emergency. 5. Always wear a harness or safety belt with a lifeline secured to the mechanical equipment outside the manure pit. 6. Do not enter the pit to attempt a rescue without proper respiratory protection (positive- pressure, self-contained breathing apparatus). Instead, call the fire department or rescue squad. 7. Fit all openings to manure pits with substantial metal grill covers to prevent falls or other accidental entries.

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