FREQUENCY OF INJURIES ACCORDING TO THE TIME OF OCCURRENCE RELATED TO THE DEVELOPMENT OF MINING TECHNOLOGY IN THE MIDDLE-BOSNIAN COAL MINES
[摘要] Studying the frequency of injuries is in function of prevention. In this sense the injuries can be observed according to the time of their occurrence, the parts of body, place of occurrence, sources and causes. The concrete...
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[效力级别] [学科分类] 地质学
[关键词] Frequency of injuries;Mining technology;Shift hours;Working break [时效性]