techni dichlorotetrafluoroethanes, techn monochlorotrifluoromethanes, technical argons, methylacetylene propadienes, technical carbon dioxides, technica dichlorodifluoromethanes, techni monochlorodifluoromethanes, helium-isobutanes, trifluoromethane-tetrafluoromethes 그리고 더