Safe Practices in Handling DDT

How to take proper precautions in mixing and handling 41 DDT, especially in the home. (CDC-5- 005; 37 frames, synchronized disc, 5 minutes) 1943. star es- Safe Practices in the Hoisting of Maand terial U.S. Department of the Air Force [1943?]. Construction and types of wire 41 rope cable; how to "seize" it; how to use slings; right and wrong ways of clipping wire cable; capacities of different wire ropes; hand signals in hoisting; use and care of manila ropes, and procegnals, dures to follow for safe hoisting. 41 Safety Practices for the Motor Vehicle Driver (Non-Military Driving) U.S. Department of the Air Force [1943?]. Variety of questions and typical situations to test the motor vehicle operator's knowledge of safe driving