Getting acquainted with confined spaces.
Ball
William
W
BW Techonologies by Honewell, Calgary, Canada.
D000062:Accidents, Occupational / Q000517:prevention & control*; D000397:Air Pollution; D016902:Air Pollution, Indoor; D020378:Confined Spaces; D004784:Environmental Monitoring; D005739:Gas Poisoning / Q000517:prevention & control*; D005740:Gases / Q000633:toxicity*; D006801:Humans; D016273:Occupational Exposure / Q000517:prevention & control*; D016272:Occupational Health; D011481:Protective Clothing; D017751:Safety Management; D014481:United States; D014489:United States Occupational Safety and Health Administration
D005740:Gases