Carrying out general engineering contracting works, including works related to the demolition of buildings of all kinds, construction and expansion of roads, bridges, rails, airports, dams, reservoirs, irrigation and drainage projects, ports, pipelines, land reclamation, digging wells of all kinds, tunnels, channels and quarries, electrical, mechanical and oil contracting, and includes works related to erecting and installing plants, equipment, machinery, electricity generation notes and stations Pumping, telephone switches, air conditioning works, electrical and sanitary installations and towers