1
Gases used in industry and science; chemicals used in industry and science; gases, including in liquid or soluble form, in particular acetylene, ammonia, argon, arsin, banana ripening gas, boron trichloride, boron trifluoride, bromomethane, hydrogen bromide, butadiene-1,3, n-butane, butane-1, butane-2 cis, butane-2 trans, isobutane, isobutene, choline, chloromethane, chlorine trifluoride, hydrogen chloride deuterium, diborane, dicholorosilane, difluoromethane, dimethylamine, dimethylether, disilane, dinitrogen monoxide, natural gas, ethane, ethene, fluorine, hydrogen fluoride, germanium hydride, helium, helium 3, hexafluorobutadiene, hexafluoroethane, carbon dioxide, carbon monoxide, krypton, air, methane, methylamine, methylfluoride, methylsilane, neon, octafluorocyclobutane, octafluoropropane, octafluorotetrahydrofurane, octafluorocyclopentene, ozone, pentafluoroethane, phosgene, phosphine, propane, propene, oxygen, sulphur dioxide, sulphur hexafluoride, silane, silicon tetrachloride, silicon tetrafluoride, nitrogen, nitrogen dioxide, nitrogen monoxide, nitrogen trifluoride, tetraethylsilane, tetrafluoromethane, trifluoromethane, trimethylamine, trimethyloxide phosphate, trimethylsilane, vinyl chloride, hydrogen, tungsten hexafluoride, xenon, and other gases with industrial applications, and all mixtures of the aforesaid gases; cooling agents, in particular refrigerants, liquids and cold/frozen liquid gases for cooling purposes; chemical products
4
Gases, including gases in liquid or soluble form, being welding, fuel and cutting gases, laser, cooling and preserving gases
5
Gases and gas mixtures for medical and therapeutic purposes
6
Tanks of metal, in particular for gases and gas mixtures in liquid or gaseous form; vacuum-insulated pipelines of metal, in particular for transporting gases and gas mixtures in liquid or gaseous form
7
Cleaning apparatus, in particular for exhaust gases; dry ice emitting installations; installations for generating gas, in particular in liquid form; pressure and tank installations, in particular for providing chemicals; feed installations, in particular for introducing gases into liquids; installations for supplying compressed air; solvent recovery installations, in particular cryocondensation installations
9
Modules for the use of internal atmospheres, namely control units; checking (supervision) systems, namely internal atmosphere control units, for monitoring oxygen fuel burners and supply systems therefor
11
Burner apparatus, in particular oxygen burner systems; cabinets with controlled atmospheres, in particular for dry storage; freeze-drying systems, freezing apparatus and refrigerated chests, in particular with liquid nitrogen as the cooling agent and other heat transfer fluids; insulated containers for cold storage; vacuum drying installations; immersion freezers
37
Installation, maintenance and repair, in particular of gas storage units
41
Coaching; safety training, in particular for handling industrial gases