Underground mine worker, State Coal Mine, Wonthaggi, Victoria, Australia

Underground mine worker, State Coal Mine, Wonthaggi, Victoria, Australia
Underground mine worker, State Coal Mine, Wonthaggi, Victoria, Australia. An underground mine worker, showing the traditional way things were done.

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Hard physical work! This was replaced by initially hydraulic powered drills and explosives, and later by giant machines with great whirling heads that grind the coal up and dump it on to a conveyor attached to the back of the machine. These machines work well in relatively soft materials like coal, but not so well in hard rock mines like gold mines.