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Safety rules for installing and using electrical equipment in coal mines
Safety aspects of pneumatic transport
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Published Year
1920-1929 (1)
1980-1989 (1)
Subject
Coal Mining (2) *
Coal mines and mining--Safety measures (2)
Accidents, Occupational--prevention & control (1)
Coal mines and mining--Electric equipment (1)
Equipment Safety (1)
Mine haulage--Safety measures (1)
Pneumatic-tube transportation--Safety measures (1)
Author
Bowers, E. T. (1)
