asian hand written job hazard analysis jhsrisk assessment on the table when working on confined restricted space with gas tester

analysis asian assessment atmosphere background black blue business carbon closeup concept confined construction danger defocused design desk detector device education emissions environment equipment foreground gas greenhouse hand hazard hydrogen industrial industry isolated jha jhsrisk job mining monoxide nature object officer paper park people protection restricted risk safety sensor sign site space sulfide table technology test tester textured uniform when worker working works written