11 Installations for the dissociation, purification, washing, liquefying and reevaporation of gases, petroleum, petroleum fractions, refinery gases, natural gas, namely, oil purifying installations, separators for the cleaning and purification of gases and liquid, gas purification machines, crude oil distillation unit, vacuum distillation unit for separation of gas, gasoline, naphtha, kerosene and gas oil from crude oil; gas treating and processing plants, namely, hydrogen and synthetic gas generators for use in decomposing hydrocarbons and extracting hydrogen and fuel for the production of energy for other processes; Natural gas liquefaction installations, namely, autothermal reformers that convert natural gas into synthesis gas, refining unit that upgrades the synthetic crude to ultra clean fuels; installations for cracking of liquid and gaseous hydrocarbon mixtures, namely, fluid separation apparatus for separation of gas from liquid in a chemical or oil refinery; installations for generating synthetic gases and artificial natural gas, namely, electrochemical gas generators, gas generating furnaces; Installations for liquefying carbon and for reducing carbon to gas, namely, coal liquefaction pressure vessels, namely, multiple hearth furnaces, high pressure vessels, namely, multiple hearth furnaces; machines for liquefying gas and liquid gases, natural and refinery gases, namely, refrigerator condensers