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Man-Riding System in Conventional Mines To reduce travelling time and fatigue of workmen. 1994 In-pit Crushing and Conveying 1989 French Blasting Gallery Method 1986 Walking Dragline 1983 Long Wall Mining: 1981 Load Haul Dumpers and Headers 1979 Side Discharge Loaders 1975 Open Cast Mining: 1954 Flame Proof Electric Equipment 1953 Electric Cap Lamps 1951 Electric Coal drills 1948

History of coal miners Wikipedia

All the coal mines in Britain were purchased by the government in 1947 and put under the control of the National Coal Board (NCB). The industry declined steadily despite protests such as the UK miners' strike (1984-1985).The 1980s and 1990s stone much change in the coal industry, with privatisation, the industry contracting, in some areas quite drastically.

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The application of a rock bolting system for Indonesian underground coal mines has been attempted for several years without any success. Recently, two new underground mining trials were conducted in East Kalimantan, Indonesia, in order to investigate the possibility of using rock bolting to address the technical challenges of underground coal mines under weak geological conditions.

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Child labor: Children reveal horror of working in mines

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The Hazards of 19th Century Coal Mining eHISTORY

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