Heat exchangers, Chimneys for boilers, garbage Incinerators, electromechanical Freight elevators up to 3,000 kg, Furnaces for painting drying, wood, etc. and other industrial processes, Cabins for application of painting and extraction of polvillo, sweeping shuts, Boards and cabinets for electrical and pneumatic instruments of discharge and low voltage, for distribution and control, Consoles for operation and control, Ducts and cable trays, channel and stairway type.