- Maintenance of 11Kv plant for scrap piston and transformers (11KV / 400 V) and RMU. - Electrical installations for air pressure stations, oxygen separation plants, nitrogen and other gases. - Electrical installation of water treatment plant, installation of lighting fixtures, Power boards for workshops and warehouses, as well as tests of protective devices for electrical panel for operation of rolling mill. - Supplying and extending 33KV cables to the smelting furnaces.