title: Workers entering confined spaces must choose appropriate respirator.
authors.forename: B
authors.initials: B
authors.lastname: Matranga
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control*; D015386:Hazardous Substances; D006801:Humans; D012134:Respiratory Protective Devices; D012306:Risk
chemical_list: D015386:Hazardous Substances