Machines for industry, buildings and public works, namely, breakers, crushers, vibrating screens, classifiers for separating metals, ball mills, mixing machines, namely, preheated screws; apparatuses for transport of materials, namely, lifting conveyors belts, screw conveyors, aeroslides, pneumatic conveyors, solid diverters of gas flow; machines and equipment used for the treatment of air and gases, of dust, dry or semi-dry, and the recovery of heat, namely, static and mechanical dust extractors, gas-scrubbing apparatuses, fabric precipitator collectors, low-pressure jet bag filters, fabric gas filters; machines for metallurgy and the production of steel, aluminum, cement; machines for preparation of scraps and slags for their recycling; metal casting machines; vibrocompactor for the manufacture of anodes, pusher/squeezer of anodes

[ Equipment for preparation, preheating, mixing, compacting, and cooling of materials necessary for aluminum and anode production, namely, melting and holding furnaces, coil and foil annealing furnaces, slab reheating furnaces, aluminum probes for use in furnaces, industrial ovens, industrial kilns for decoating and decontaminating metals, industrial waste incinerators, evaporative cooling towers, metal quenching tanks; industrial pollution control systems for pitch fume treatment for air and gases produced by aluminum and cement production and waste incineration consisting of dry scrubbers, filters, precipitators, evaporating towers, heat exchangers, and venturi scrubbers and reactors; parts and fittings for all the aforesaid goods ]

Construction of factories and installations using the mechanical techniques, thermics, aerodynamics; construction factories for production of anodes for the metallurgy of aluminum by fragmentation, sorting, proportioning, mixtures, pressing, vibration, cooking; construction of treatment plant for the waste, transport, sorting, mixing and recycling of the metallurgy, aluminum and metals; installation of furnaces of over-coating, decontamination, smelters and treatment of scraps and slags; installation of the equipment working in or with this thermal equipment; construction consultation, consultation in building construction supervision; building restoration, namely, restoration of factories and installations by repair or replacement of the equipment damaged, used or destroyed to allow the maintenance of the industrial performances

[ Design of application software for managing factories and installations of others; technological services, namely, research and development for others in the field of chemistry, metallurgy, physics, electricity, electronics, engineering, data processing, optical, textile, paper, medicine, biology, agriculture, and geology; industrial research for others ]