Treatment of materials, namely, production and control of thermal treatments for structural transformation of metal materials, namely, processes for hardening and softening; production and control of surface treatments for modifying the superficial characteristics of materials, namely, applying coatings of metal and not of metal; processes for conversion, namely, anodizing and mechanical treatments of materials, namely, treatment of hazardous waste, chemical and other effluents, dangerous mat...

Treatment of materials, namely, production and control of thermal treatments for structural transformation of metal materials, namely, processes for hardening and softening; production and control of surface treatments for modifying the superficial characteristics of materials, namely, applying coatings of metal and not of metal; processes for conversion, namely, anodizing and mechanical treatments of materials, namely, treatment of hazardous waste, chemical and other effluents, dangerous mat...

Treatment of materials, namely, production and control of thermal treatments for structural transformation of metal materials, especially processes for hardening and softening; production and control of surface treatments for modifying the superficial characteristics of materials, namely, applying coatings of metal and not of metal; processes for conversion, namely, anodizing and mechanical treatments of materials, namely, treatment of hazardous waste, chemical and other effluents, dangerous ...

Construction, building, installation and repair services of pipelines, ducts for brine, wells, drilling structures, mining structures, storage containers and storage tanks in the field of storing of solid materials and gaseous or liquid substances; sub surface well drilling; construction, building, installation and repair services of geological structures, namely, underground geological storage structures, intended for storing solid materials, liquid substances and gaseous substances; constru...