title: Non-toxic feedback.
authors.forename: Jim
authors.initials: J
authors.lastname: Fraser
mesh_terms: D020378:Confined Spaces; D004632:Emergency Medical Services; D015386:Hazardous Substances / Q000506:poisoning*; D006801:Humans; D019570:Inhalation Exposure; D017751:Safety Management / Q000379:methods*
chemical_list: D015386:Hazardous Substances