Descriptors | Pressure vessels, Gas cylinders, Mixtures, Outlet connections, Colour codes, Gas valves, Storage facilities, Marking, Oxygen, Flow regulators, Racks, Gases, Nitrous oxide, Dimensions, Leak tests, Compressed gases, Cyclic compounds, Washers, Medical equipment, Propane, Valve components, Medical breathing apparatus, Carbon dioxide, Safety measures, Anaesthetic equipment, Ethylene, Valve yokes, Symbols, Helium, Nitrogen, Air, Spindles |