Ladders on Uneven Surfaces
How far can a painter reach before the ladder will slide?

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Ironworkers Installing Roof Decking
How would a worker fall accidentally stepping off the roof, would he head on the deck below?

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Working out with an Inclined Bench Press
How much force does one push downward with the head on the bench pad? Can this much force cause a neck injury? BEAR engineers instrumented a bench and dynamically measured head forces. The results were instrumental in settling the case.

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