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Number  Name Description (tasks and duties) Unit Groups 


Miners and QuarrymenWorkers in this unit group extract solid minerals from underground or surface mines and quarries. Their functions include: extracting coal, ores and other solid minerals from underground or surface mines; extracting granite, limestone, slate, flint or other kinds of stone from quarries; setting and operating machines which cut channels in mine workface, drill holes into mine or quarry workface for blasting or extract coal automatically from coal seam; determining positions and force of explosions required, and charging and firing explosives, to dislodge solid mineral from mine or quarry workface; cutting, fitting and installing wood or steel props, pillars and arches to support walls and roofs of underground workings; collecting samples of coal or ore for laboratory analysis; extracting chalk, clay, gravel or sand from open pits; performing other tasks related to the foregoing.
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