AGA

gas for such industrial uses as cutting, welding, refrigeration, freezing, heating, brazing, shilling, carburizing, modifying atmosphere, water treatment and the like

gas for medical use

cutting and welding machine parts or cutting and welding accessories; namely, flashback arrestors, cutting attachments to cut steel, welding tips, welding hoses and strikers

cutting and welding accessories; namely, oxygen regulators and acetylene regulators

industrial refrigerators and freezers