defocused isolated miner worker written job hazard analysis jhs risk assessment the table |
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| navigate by keyword : analysis assessment atmosphere authority background black business carbon closeup concept confined construction control danger defocused design desk detector device document education emissions environment equipment gas greenhouse hand hazard hydrogen industrial industry invitation isolated jhs job judgment miner mining monoxide officer paper park people protection restricted risk safety sensor sign site space table technology test tester the tool uniform when worker working works written yellow |
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| Gas tester atmosphere on defocused isolated miner worker double checking Job Hazard Analysis JHS risk assessment on the table when working on confined restricted space |
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