37 Construction of buildings and other structures, namely, steel making plants, metal treatment plants, iron ore pelletizing plants, fly ash pelletizing plants, chemical processing plants, water purifying and wastewater treatment plants, waste treatment plants, energy storage plants, power plants, water desalination plants, fiber or textile producing plants, nuclear plants, oil plants, petrochemical plants, machine-manufacturing plants, industrial plants, pipelines, water supply and sewerage facilities, environment and sanitation related facilities, and storage and transportation facilities; construction and repair of buildings and other structures, namely, steel making plants, metal treatment plants, iron ore pelletizing plants, fly ash pelletizing plants, chemical processing plants, water purifying and wastewater treatment plants, waste treatment plants, energy storage plants, power plants, water desalination plants, fiber or textile producing plants, nuclear plants, oil plants, petrochemical plants, machine-manufacturing plants, industrial plants, pipelines, water supply and sewerage facilities, environment and sanitation related facilities, and storage and transportation facilities; building maintenance and repair; demolition of buildings; construction and maintenance services relating to civil engineering; demolition of civil engineering structures; steel structure construction works; construction and renovation of bridges; pier breakwater building; installation of fencing; construction of roads, sewers and water supply systems; road construction; painting; plumbing; electrical system installation services; installation services, namely, installation and laying of cable; machinery installation, namely, installation of machines for industrial use; installation and maintenance of traffic control apparatus; installation of machines and machine tools for treating and processing metals; installation of industrial furnaces; installation of foundry equipment; installation of foundry products; installation of apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; installation of insulating materials; installation of oil production apparatus; installation of environmental control systems; installation of environmental protection systems, namely, wastewater treatment systems and waste treatment systems; installation of energy-saving apparatus, namely, alternative energy generation apparatus and energy storage apparatus; installation maintenance and repair of loading and unloading machines; office machines and equipment installation, maintenance and repair; installation maintenance and repair of boiler systems; installation maintenance and repair of pumps and pumping stations; installation maintenance and repair of refrigerating apparatus; freezing equipment installation and repair; installation maintenance and repair of air purifying apparatus; installation and repair of air-conditioning apparatus; installation and maintenance of electronic apparatus, namely, electronic apparatus used for automated or partly automated industrial operations, and apparatus for monitoring machines for industrial use; installation, repair and maintenance of computers and computer peripherals; installation maintenance and repair of electronic regulating apparatus; installation maintenance and repair of telecommunications apparatus and instruments; installation, maintenance and repair of equipment and apparatus for use in road building; installation, maintenance and repair of remote control apparatus; installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; electric appliance installation and repair; installation, maintenance and repair of electrical lighting apparatus; installation, construction, maintenance, servicing and repair of energy and power generating apparatus, equipment and installations; installation, maintenance and repair of apparatus for distributing electricity; installation, maintenance and repair of measuring and testing apparatus and instruments; installation, maintenance and repair of rollers for machines; installation, maintenance and repair of drying apparatus; installation, maintenance and repair of rolling mills; installation, maintenance and repair of molding machines; installation, maintenance and repair of filling machines; installation, maintenance and repair of machines for processing plastics; installation, maintenance and repair of manufacturing plants; consultancy and information services relating to construction; providing information relating to the installation of electrical apparatus; providing information relating to the installation of machinery; plant construction work in the nature of construction of steel making plants, metal treatment plants, iron ore pelletizing plants, fly ash pelletizing plants, chemical processing plants, water purifying and wastewater treatment plants, waste treatment plants, energy storage plants, power plants, water desalination plants, fiber or textile producing plants, nuclear plants, oil plants, petrochemical plants, machine-manufacturing plants, and industrial plants; advisory services relating to the maintenance, repair and renovation of buildings and other structures, namely, steel making plants, metal treatment plants, iron ore pelletizing plants, fly ash pelletizing plants, chemical processing plants, water purifying and wastewater treatment plants, waste treatment plants, energy storage plants, power plants, water desalination plants, fiber or textile producing plants, nuclear plants, oil plants, petrochemical plants, machine-manufacturing plants, industrial plants, pipelines, water supply and sewerage facilities, environment and sanitation related facilities, and storage and transportation facilities; advisory services relating to the construction of buildings and other structures, namely, steel making plants, metal treatment plants, iron ore pelletizing plants, fly ash pelletizing plants, chemical processing plants, water purifying and wastewater treatment plants, waste treatment plants, energy storage plants, power plants, water desalination plants, fiber or textile producing plants, nuclear plants, oil plants, petrochemical plants, machine-manufacturing plants, industrial plants, pipelines, water supply and sewerage facilities, environment and sanitation related facilities, and storage and transportation facilities; advisory services relating to excavating; advisory services relating to the installation of plumbing; construction supervision; operation and maintenance of building equipment; shipbuilding; fueling, washing, cleaning, maintenance and repair of vehicles; information and consultancy services relating to vehicle repair; repair, maintenance, servicing, dismantling, rebuilding, cleaning and varnishing of vehicles and parts thereof; repair, servicing and maintenance of vehicles and apparatus for locomotion by air; providing information relating to the repair or maintenance of aircraft; repair of rubber tires; maintenance and repair of land vehicles; custom rebuilding of existing land vehicles and structural parts therefor; repair or maintenance of automobiles; repair or maintenance of railway rolling stock; repair or maintenance of two-wheeled motor vehicles; repair or maintenance of optical machines and instruments; providing information relating to the repair or maintenance of optical machines and instruments; providing information relating to the repair or maintenance of loading-unloading machines and apparatus; repair or maintenance of conveyors; repair of alarms; repair or maintenance of office machines and apparatus; providing information relating to the repair or maintenance of office machines and apparatus; providing information relating to the repair or maintenance of boilers; burner maintenance and repair; providing information relating to the repair or maintenance of burners; providing information relating to the repair or maintenance of pumps; repair and maintenance of compressors; repair of compressed air machines; installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; repair of air filtering apparatus; providing information relating to the repair or maintenance of freezing machines and apparatus; maintenance and repair of heating installations; plumbing repair advisory services; repair or maintenance of electronic machines and apparatus; providing information relating to the repair or maintenance of electronic machines and apparatus; providing information relating to the repair or maintenance of telecommunication machines and apparatus; repair or maintenance of construction machines and apparatus; repair and maintenance of building scaffolds, working and building platforms; providing information relating to the repair or maintenance of construction machines and apparatus; repair of construction and agricultural machinery; repair of radio or television sets; repair or maintenance of waste compacting machines and apparatus; repair or maintenance of waste crushing machines and apparatus; providing information relating to the repair or maintenance of waste compacting machines and apparatus; providing information relating to the repair or maintenance of waste crushing machines and apparatus; providing information relating to the repair or maintenance of electric lighting apparatus; repair or maintenance of electric motors; providing information relating to the repair or maintenance of electric motors; providing information relating to the repair or maintenance of power distribution or control machines and apparatus; providing information relating to the repair or maintenance of power generators; repair or maintenance of laboratory apparatus and instruments; providing information relating to the repair or maintenance of laboratory apparatus and instruments; repair or maintenance of measuring and testing machines and instruments; providing information relating to the repair or maintenance of measuring and testing machines; repair or maintenance of medical machines and apparatus; providing information relating to the repair or maintenance of medical machines and apparatus; repair or maintenance of firearms; repair or maintenance of printing or bookbinding machines and apparatus; repair or maintenance of chemical processing machines and apparatus; providing information relating to the repair or maintenance of chemical processing machines and apparatus; repair or maintenance of glassware manufacturing machines and apparatus; providing information relating to the repair or maintenance of machines and apparatus for manufacturing glassware; repair or maintenance of fishing machines and instruments; repair or maintenance of metalworking machines and tools; providing information relating to the repair or maintenance of metalworking machines and tools; maintenance of welding machines and equipment; repair of installations for use in metal production, metal processing and metal working; repair of metallurgical plants and rolling mills; repair or maintenance of shoe making machines and instruments; providing information relating to the repair or maintenance of machines and instruments for making shoes; repair or maintenance of industrial furnaces; providing information relating to the repair or maintenance of industrial furnaces; repair or maintenance of mining machines and apparatus; repair or maintenance of rubber goods manufacturing machines and apparatus; providing information relating to the repair or maintenance of machines and apparatus for manufacturing rubber goods; repair or maintenance of integrated circuits manufacturing machines and systems; repair or maintenance of semiconductor manufacturing machines and systems; providing information relating to the repair or maintenance of semi-conductor manufacturing machines and systems; repair or maintenance of machines and apparatus for processing food or beverages; providing information relating to the repair or maintenance of machines and apparatus for processing food or beverages; repair or maintenance of machines and apparatus for lumbering; repair or maintenance of machines and apparatus for woodworking; repair or maintenance of textile machines and apparatus; repair or maintenance of tobacco processing machines; repair or maintenance of painting machines and apparatus; repair or maintenance of agricultural machines and implements; repair or maintenance of milking machines; repair or maintenance of egg incubators; repair or maintenance of sericultural machines and implements; repair or maintenance of machines and apparatus for papermaking; repair or maintenance of plastic processing machines and apparatus; providing information relating to the repair or maintenance of plastic processing machines and apparatus; repair or maintenance of packing or wrapping machines and apparatus; repair or maintenance of sewing machines; repair or maintenance of storage tanks; providing information relating to the repair or maintenance of storage tanks; repair or maintenance of gasoline station equipment; repair or maintenance of mechanical parking systems; repair or maintenance of cooking apparatus for industrial purposes and providing information relating thereto; repair or maintenance of industrial washing machines and providing information relating thereto; repair or maintenance of vehicle washing installations and providing information relating thereto; repair or maintenance of vending machines and providing information relating thereto; repair or maintenance of power-driven floor cleaning machines and providing information relating thereto; repair or maintenance of amusement machines and apparatus and providing information relating thereto; repair or maintenance of machines and apparatus for use in beauty salons or barbers' shops; repair or maintenance of water pollution control equipment; providing information relating to the repair or maintenance of water pollution control equipment; repair or maintenance of water purifying apparatus; providing information relating to the repair or maintenance of water purifying apparatus; repair or maintenance of diving machines and apparatus and providing information relating thereto; repair or maintenance of chemical plants; providing information relating to the repair or maintenance of chemical plants; repair and maintenance of energy generating installations; repair and maintenance of nuclear plants and providing information relating thereto; repair and maintenance of 3D printers; repair of power lines; furniture restoration, repair and maintenance; providing information relating to furniture restoration; umbrella repair and providing information relating thereto; repair or maintenance of musical instruments and providing information relating thereto; safe maintenance or repair and providing information relating thereto; shoe repair and providing information relating thereto; repair or maintenance of clocks and watches and providing information relating thereto; repair of hand tools; setup or repair of locks and providing information relating thereto; re-tinning; repair or maintenance of gas water heaters and providing information relating thereto; repair or maintenance of signboards and providing information relating thereto; repair of bags or pouches and providing information relating thereto; repair of personal ornaments and providing information relating thereto; repair of toys or dolls and providing information relating thereto; repair of sports equipment and providing information relating thereto; repair of game machines and apparatus and providing information relating thereto; repair of bathtubs; repair or maintenance of fishing tackle and providing information relating thereto; repair and maintenance of spectacles and providing information relating thereto; leather care in the nature of applying protective coatings to leather, and leather cleaning and repair; laundering and providing information relating thereto; clothing repair and providing information relating thereto; repair of tatami mats and providing information relating thereto; book repair and restoration; restoration of works of art; chimney sweeping and providing information relating thereto; cleaning of building interiors and exteriors; providing information relating to building cleaning; drain cleaning services; bathtub and bath boiler cleaning and providing information relating thereto; street cleaning and providing information relating thereto; storage tank cleaning and providing information relating thereto; swimming pool cleaning services; disinfecting; vermin exterminating, other than for agriculture, aquaculture, horticulture and forestry; sterilization of medical instruments; rental of construction machines and apparatus; rental of construction equipment, namely, cranes; providing information relating to the rental of construction equipment; rental of cleaning machines; rental of car washing apparatus and providing information relating thereto; rental of electric washing machines and providing information relating thereto; snow removal services; rental of dishwashing machines; rental of mining machines and apparatus; rental of drainage pumps; consultancy relating to construction and civil engineering works; machinery installation, maintenance and repair; providing repair information, namely, providing information on the repair of machines for industrial use; maintenance, servicing and repair of weapon systems being projecting apparatus for grenades, bombs and other missiles; maintenance and repair of transport containers; repair or maintenance of industrial plants and relevant consultancy; repair or maintenance of oil plants and providing information relating thereto; repair or maintenance of petrochemical plants and providing information relating thereto; repair or maintenance of water purifying and wastewater treatment plants and providing information relating thereto; repair or maintenance of water supply and sewerage facilities and providing information relating thereto; repair or maintenance of machine manufacturing plants and providing information relating thereto; repair or maintenance of pipelines and providing information relating thereto; repair or maintenance of environment and sanitation related facilities and providing information relating thereto; repair or maintenance of storage and transportation facilities and providing information relating thereto; repair or maintenance of fiber or textile producing plants and providing information relating thereto; repair or maintenance of nuclear plants and providing information relating thereto; repair and maintenance of machine elements; repair or maintenance of electric wires and cables; repair or maintenance of tire manufacturing machines; repair or maintenance of forestry machines; repair or maintenance of vacuum deposition machines for plasma enhanced chemical vapor deposition (PECVD), physical vapor deposition (PVD), chemical vapor deposition (CVD) processes; repair or maintenance of machines and equipment for producing optical cables and fibres; repair or maintenance of industrial robots; repair or maintenance of machines for industrial purposes, namely, presses; rental of hand tools; removal services, namely, snow removal services and providing information thereto; applying decorative and protective coatings to metal; waste and trash cleaning services; industrial waste and trash cleaning services