Construction, namely, laying and construction of oil pipelines; repair, namely, oil pipelines repair; installation services, namely, installation of mining extraction equipment, mining extraction; extraction of petroleum and gas; drilling of wells; installation, repair and maintenance of petroleum and gas equipment for the extraction and processing of petroleum and gas; Construction management and supervision of installation, repair and maintenance work on petroleum and gas equipment; Construction management and supervision of mining extraction works; information on mining extraction; rental of construction machinery, petroleum and gas equipment for the extraction and processing of petroleum and gas; preventive anti-rust treatment for vehicles; washing, cleaning, repair and maintenance of vehicles, of machinery and equipment for construction, lifting equipment and apparatus; repair of residential and industrial premises; Construction services, namely, laying out, repairing and changing urban underground utility installations, namely, water and gas distribution networks; fitting out storage sheds, namely, repair or maintenance of storage tanks; cleaning of edifices; partial vitrification, namely, machinery retrofit and conversion services; Building construction supervision; installation of coverings for edifices; assembly, installation and repair of utilities, namely, cabling, water and gas distribution networks, heating systems, sanitary systems, air-conditioners, lifts, anti-theft alarm systems and fire alarm systems, telephone apparatus, kitchen appliances; installation of plant equipment, namely, power equipment, manufacturing equipment, industrial equipment; interference suppression in electrical apparatus; electric appliance installation and repair; mending clothing; asphalting; damp-proofing for buildings; finishing work for the construction and repair of building edifices; disinfecting; rat exterminating other than for agriculture, forestry or horticulture purposes; riveting; varnishing; re-tinning; scaffolding construction, repair and erection; road paving; demolition of buildings; street cleaning; boiler cleaning and repair; chimney sweeping; information on construction and repair services related to the foregoing services; services of a laundry