100+ Coal mine health PowerPoint (PPT) Presentations, Coal mine health PPTs

Coal mine health - PowerPoint PPT Presentation

Diesel-powered equipment used in the drilling, mucking, or other excavation of any slope or shaft shall: be permissible

Hoists used in transporting persons and material during drilling, mucking, or other excavating operations in any slope or shaft shall have rated capacities consistent with the loads to be handled.

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Coal mine health - PowerPoint PPT Presentation

Diesel-powered equipment used in the drilling, mucking, or other excavation of any slope or shaft shall: be permissible