Model Code of Safety Regulations for Underground Work in Coal Mines: For the Guidance of Governments and of the Coal-mining Industry
International Labour Office, 1950 - Coal mines and mining - 102 pages
2 pages matching flameproof in this book
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adequate air current alternating current and/or Coal-Dust Explosions apparatus appliances applying to Places approved authorised persons automatic brakes bucket cables cage carbogen carried central rescue station CHAPTER charge circuit coal dust competent authority competent person conductors connected constructed conveyor devices district electrical electrical conductor engineman entered equipment examined exceeding fire first-aid room flame safety lamp flameproof hand-held portable haulage roads immediately inclines inspected insulated Internal-Combustion Engines intervals laid laws or regulations locomotive maintained manager means of egress mechanical Mechanical ventilators mines national laws necessary notified number of persons operator organisation paragraph petrol lamps polyphase system practicable precautions present Code prohibited regular man-winding repair rescue workers return airway Risk of Firedamp roadways seam shaft shift shotfirer shots signalling specified in national Subparagraph sufficient number suitable supervisory official surface suspension gear switch switchgear tail rope taken term tested tubs underground unless ventilation winding engines winding installation winding rope wires