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Today's Terms
Caisson Disease
Definition:
A sometimes fatal disorder that afflicts workers in a compressed air atmosphere who return to normal air pressure too quickly; decompression sickness; also called The Bends, Air Embolism, or Aerembolism.
Injury and Illness Log
Definition:
Required by Federal and State regulations, this log documents injuries and illnesses caused by work-related activities that result in lost work time, fatalities, offsite treatment, and restricted work activity. Employers are required to maintain and post this information at the worksite.
Backnailing
Definition:
In roofing, the practice of blind nailing (in addition to hot- mopping) all the plies to a substrate to prevent slippage on slopes of 1-1/2 inch or more for steep asphalt, 1/2 inch or more for coal-tar pitch and dead-level asphalt.
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