MODULE 4 - LIFTING AND RIGGING - FEMAExplore further
2012-7-19u2002·u2002loads. Today even with the availability of powerful cranes, strong hydraulic winches and high pressure air bags there is a need for a knowledge of the basic concepts of leverage and gravity. It is the ability of the rescuer to make effective size ups in confined areas of collapsed buildings that often means the difference between life and death.
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