Industrial Gases - Downloads Acetylene PDF 69KB Argon PDF 40KB Carbon Dioxide PDF 55KB Hydrogen PDF 241KB Liquid Carbon Dioxide PDF 57KB Nitrogen PDF 322KB Oxygen PDF 46KB Shielding Gases - Ar plus CO2 plus O2 PDF 343KB Shielding Gases - Ar plus CO2 plus He PDF 244KB Shielding Gases - Ar plus O2 PDF 388KB