SCIENCE AND EDUCATION FILM: Electrical Safety in Coal Mine
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SCIENCE AND EDUCATION FILM: Electrical Safety in Coal Mine
Industry
Length:
00:27:56
Date:
1979-01-01
Collection
Keywords:
Electrical Safety | Coal Mine Production | Mine Accidents | Gas Explosion | Electrical Equipment | Industrial Technology
In order to prevent the explosion of gas or coal dust caused by electric sparks in the 1970s, it was necessary to connect cables strictly after power failure and install relays or comprehensive protection switches for electrical equipment to reduce the risk.