Long-distance pipelines, communication and power lines Long-distance oil and gas pipelines Transfer of non-hazardous industrial waste Construction of main lines and stations of water distribution Repair and maintenance of water distribution stations networks and main lines Construction of irrigation systems (canals) water main storage towers Repair and maintenance of irrigation systems (canals) water main storage towers Repair and maintenance of sewer systems, sewage disposal plants and pumping station Repair and maintenance of power plants Repair and maintenance of wired and wireless communication stations and radars Construction of sewer systems, sewage disposal plants and pumping stations Construction and establishment of electrical power stations and transformers Construction and establishment of telecommunications and radar stations and towers
