1. Did you cap and chain your gas cylinders? Publication: [United States? : s.n., 199-?] Subject(s): Accidents, Occupational -- prevention & controlGasesLaboratories
2. Gas cylinders need TLC Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health, 19--?] Subject(s): LaboratoriesAccidents, Occupational -- prevention & controlGases
