Gases, also in liquid or dissolved form, as protective and active gases, as welding, burning, cutting and shielding gases, as process, treatment and operating gases, namely, for metallurgical purposes and semi-conductor production, as high precision/purity, calibrating, examining and test gases, as water treatment and water preparation gases, as gases for food technology, chemistry and pharmacy, raw material and metal production, namely, nitrogen, oxygen, saturated and unsaturated hydrocarbon gases, hydrocarbon compounds, helium and other noble gases, hydrogen, carbon dioxide, carbon monoxide, nitric oxides, ammonia, ozone, halogens, halogen compounds, boron/silicon/sulphur compounds, as well as other gases for industrial applications and mixtures of all aforementioned gases; chemicals in solid state, and transformed under standard conditions to gaseous or liquid media, namely, carbon dioxide in different preparations, namely, blocks, slices, corns, pellets, for industrial and commercial use; cooling media, namely, cooling agents, liquids for cooling purposes, namely, cryogenic liquid gases and refrigerating agents for direct or indirect cooling purposes; chemical products, namely, liquid scrubbing agents for gas purification, solutions and solvents, water purification and softening agents, also of a biological nature, adsorbents, zeolites and ion exchange resins, molecular sieves, and filtering materials, namely, separation membranes, chemical and biochemical process catalysts

Combustibles, burning gases, and fuels, also liquefied or dissolved, namely, fuel gases and burnable working gases and vehicle fuel gases such as acetylene, propane and hydrogen

Gases and gas mixtures for medical and therapeutic purposes

Heating, steam generating, cooling and reacting apparatus/reactors, namely, heating, melting and heat treating furnaces, gas burners for use in industrial processes, for heating, preparation, transforming of materials, for combustion, after combustion of materials and substances, and for welding, cutting, brazing and treating, plants and apparatus using natural gas chemistry, crude oil and petrol chemistry, and coal chemistry, namely, processing/reacting furnaces, pyrolysis furnaces, decomposition furnaces, and other chemical and petrochemical reactors, namely, thermally and catalytically working reactors, crackers and cracking plants and apparatus for cracking petrochemical substances, tube/coil furnaces, fractioning columns; gas purifiers, gas separators; gas washing/scrubbing units for cleaning process gas streams and separating waste gas; gas condensers; evaporators; heat exchangers; fluid/gas heaters and coolers; regenerators for scrubbing liquids; gas scrubbing columns; plants and apparatus for the liquefaction and gasification of coal; plants and apparatus for environmental protection and for treating waste and garbage, namely, combustion chambers and incinerators, and sludge treatment plants; energy gaining/recovery apparatus, namely, expansion turbines and power generators; waste combustion apparatus; waste preparation apparatus, namely, incinerators, fermenters, and reactors for decomposing bio-material; waste water purification and sewage disposal plants; water treatment plants; refrigerating, freezing and cooling apparatus, namely, refrigerators, freezers, cryogenic freezers, batch freezers, continuous freezers, spiral freezers, cabinet freezers, fast freezers, freezing tunnels, shock freezers, and coolers; heat pumps; parts for gas supply apparatus, namely, valves and armatures; sieves and filters for gases or liquid gases respectively; gas apparatus for gas delivery/supply, comprised primarily of gas storage vessels/tanks, cocks, regulators and manifolds, and evaporators; apparatus for the liquefaction and separation of air; rectification apparatus/columns; apparatus for the separation, purification, scrubbing, liquefaction and re-evaporation of technical gases and gas mixtures, refinery gases and natural gases and apparatus for the separation, purification, evaporation of crude oil/crude oil fractions; apparatus for generating process gases/operating gases and synthetic natural gas; cryostats; cooling apparatus for the preparation of deep cold temperatures, namely, helium refrigerators and cooling systems, helium liquefiers and hydrogen liquefiers