The ability to laugh easily at oneself goes a long way in reducing ________

What type of portable fire extinguisher is intended primarily for ground cover fires?

A. Clean agent B. Pump-type water C. Aqueous film forming foam D. Wet chemical stored-pressure

Trench collapses usually involve large areas of falling dirt that weigh approximately _______ per cubic foot.

A. 50 lb B. 100 lb C. 150 lb D. 200 lb