16 mm Films
CLOSED CONTAINERS AND FIRE, Fire Service Extension, Iowa State University, Ames, Iowa 50010; color, $300.
Using both animated diagrams and live scenes, this film explains the physics behind the behavior of cylinders and tanks of liquids and gases under fire conditions. The weaker points of tanks are pointed out and the operational principles of relief valves are explained. Both vented and unvented containers are considered in relation to safety procedures for fire fighters.
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