MESSER GASES FOR LIFE

Gases and gas mixtures used in industry, science and photography, as well as in agriculture, horticulture and forestry, namely, [ acetylene, ] argon, oxygen, nitrogen, hydrogen, [ gases for welding, ] helium, neon, krypton, xenon, [ methane, ethane, butane not for use as fuel, ethylene, propane not for use as fuel, propylene, hydrocarbons not used as a fuel, ammonia not for cleaning purposes, chlorine, hydrogen chloride, nitrogen oxide, sulphur dioxide, sulphur hexafluoride, hydrogen sulphide, carbon monoxide, refrigerant gas for use in industrial cooling systems, nitrous oxide for industrial use, ] and carbon dioxide in the nature of liquid carbon dioxide, dry ice [ , and carbon dioxide (CO2) filled cylinders, cartridges, and canisters ] ; all of the forgoing gases being types of technical gases, high purity gases, high purity gas mixtures, laboratory gases, test gases, and test gas mixtures, and including all the aforesaid in liquefied and dissolved form

Gases for medical purposes