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How to prevent death and injury from falls of roof in coal mines
Statistics indicating prevalence of accidents from falls of roof and coal; need of uniform standard for reporting and comparing data on injuries and fatalities; prevention of injury from falls of roof is accomplished by combination of mental attitude and employment of known preventive measures.
How to prevent death and injury from falls of roof in coal mines
Statistics indicating prevalence of accidents from falls of roof and coal; need of uniform standard for reporting and comparing data on injuries and fatalities; prevention of injury from falls of roof is accomplished by combination of mental attitude and employment of known preventive measures.
How to prevent death and injury from falls of roof in coal mines
U S Bur Mines -- Information Cir
Paul, J.W. (author)
1932
13 pages
Report
English
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Reducing accidents from falls of roof in coal mines
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