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great britain national coal board industrial training branch
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Basic mechanical engineering
Great Britain. National Coal Board. Industrial Training Branch. · Hodder and Stoughton
153 sayfa · 1977
Machine-shop practice
Colliery electrician
Great Britain. National Coal Board. Industrial Training Branch. · The Branch
338 sayfa · 1976
Coal mines and mining / Electric equipment / Electricity in mining
Deputy's handbook
Great Britain. National Coal Board. Industrial Training Branch. · National Coal Board
122 sayfa · 1977
Coal mines and mining / Law and legislation / Mine sanitation
Underground support systems
Great Britain. National Coal Board. Industrial Training Branch. · NCB Industrial Training Branch
84 sayfa · 1979
Coal mines and mining / Ground control (Mining) / Safety measures