title: Confined space entry, part 4.
authors.forename: Stephen V
authors.initials: SV
authors.lastname: Magyar
mesh_terms: D000395:Air Pollutants, Occupational; D001296:Audiovisual Aids; D020378:Confined Spaces; D004630:Emergencies; D015386:Hazardous Substances; D006801:Humans; D016273:Occupational Exposure / Q000517:prevention & control*; D017751:Safety Management / Q000379:methods / Q000458:organization & administration*
chemical_list: D000395:Air Pollutants, Occupational; D015386:Hazardous Substances