1. Basebenzise abasebenzi be-pneumatic rock drills, phambi kokuhla equleni kufuneka banxibe izixhobo ezifanelekileyo zokuzikhusela emsebenzini.2. Ukufika kwindawo yokusebenzela, jonga kuqala ukucutshungulwa, ukunkqonkqoza eluphahleni, ukukhupha ipumice, khangela abasebenzi be-sled ukuba benze ukhuseleko lwabo lokhuseleko, ukuba bajongwe...
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