37 Building construction and repair; repair and maintenance of buildings in case of demolition; installation, maintenance and repair of vending machines, air conditioning apparatus, elevators and refrigerators, freezer show cases, soft creamers and shake makers; maintenance and repair of office machines; installation of piping; rental of construction equipment; construction of steel structures; installation of fire extinguishing apparatus; general building construction; underwater dredging; road paving; masonry; plastering; carpentry contractor services; tile laying, bricklaying and block laying; building reinforcing; painting services for houses, buildings and cars; erecting scaffolding; earthworks construction and excavation services, namely, cutting away of earth and sand, piling up and carrying of soil; concrete construction; interior finishing, namely, interior sealing and caulking; roofing installation and repair; plumbing; machinery installation,namely, installation of elevators, escalators, air conditioning machines, broadcasting machines and fire fighting equipment; drilling of wells of water and wells of oil; construction and contracting services, namely, installation and maintenance of commercial electrical systems for buildings, apartment buildings and condominiums, large infrastructure projects in the nature of waste water treatment plants, airports, breweries, steel mills, hotels, office complexes, healthcare facilities, highways, government facilities, and transportation agencies, installation, maintenance and upgrade of transmission and distribution power lines and electrical substation facilities for electric utility companies and industrial, mining, institutional and government projects; installation and maintenance of telecommunication installations in the nature of underground and overhead copper and fiber optic cables, installation of thermal insulating for buildings; construction, installation and maintenance of plumbing, air conditioning, heating and electricity into buildings for others; shipbuilding; repair and maintenance of ships and boats; aircraft maintenance and repair; repair of bicycles; repair and maintenance of automobiles; repair and maintenance of railway rolling stock; repair and maintenance of two-wheeled motor vehicles; repair and maintenance of chick brooders; repair and maintenance of egg incubators; repair and maintenance of printing and bookbinding machines; repair and maintenance of movie projectors; repair and maintenance of photographic machines; repair and maintenance of elevators; repair and maintenance of chemical processing machines; repair and maintenance of fire alarms; repair and maintenance of gasoline station equipment; repair and maintenance of glassware manufacturing machines; repair and maintenance of mechanical parking systems; repair and maintenance of milk filters; repair and maintenance of milking machines; repair and maintenance of industrial dish washing machines; repair and maintenance of industrial washing machines; repair and maintenance of metalworking machines and tools; repair and maintenance of fodder presses; repair and maintenance of fodder cutters; repair and maintenance of fodder mixers; repair and maintenance of fodder mills; repair and maintenance of industrial furnaces; repair and maintenance of vending machines; repair and maintenance of firearms; repair and maintenance of temperature indicators, gasometers,thermometers, water meters, balances, tape measurers, measuring rulers, pressure gauges, manometers, acoustic meters, tachometers, accelerometers, refractometers, hygrometers, illuminometers, vibration meters, noise meters, speed indicators, calorimeters, viscosimeters, concentration meters, gravimeters, densimeters, spherometers, inclinometers, distance measuring machines, range finders, and magnetic compass for surveying; repair and maintenance of tobacco processing machines; repair and maintenance of industrial air-conditioners; repair and maintenance of gas burners and oil burners; repair and maintenance of boilers; repair and maintenance of centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps and vacuum pumps; repair and maintenance of refrigerators and freezers; repair and maintenance of storage tanks; repair and maintenance of intercoms, facsimile machines, aeronautical radio communication machines, GPS navigation systems for vehicles, on-board vehicle computers, compact disc players, video cameras, camcorders, videodisc players, videotape recorders and loudspeakers, but not including telephone sets, radio receivers and television receivers; telephone repair; repair of radio and television sets; repair and maintenance of computers; repair and maintenance of power distribution and control machines and apparatus, namely, electric switches, power distributing boxes, plug boards, and fuses for electric current; repair and maintenance of power generators; repair and maintenance of electric motors; repair and maintenance of construction machines and apparatus, namely, excavating machines namely slacklines, truck cranes, power shovels, rooters, foundation work machines namely earth augers, pile drivers, pile-extractors, grout pumps, ground surface finishing and compacting machines namely graders, earth scrapers, tamping machines, bulldozers, rammers, road rollers, concrete machines namely concrete placing machines, concrete vibrators, concrete paving machines, concrete mixers, bather plants, asphalt paving machines namely asphalt distributors, asphalt finishers, asphalt plants, asphalt mixers, dredging machines namely mud dredging machines and dippers; repair and maintenance of sewing machines; repair and maintenance of consumer electric appliances, namely, electric flat irons, electric radiant heaters, microwave ovens, electric toasters, electric coffee makers, electric washing machines, electric refrigerators, electric cooking pots, electric mixers, electric massage apparatus and electric vacuum cleaners; repair and maintenance of amusement machines and apparatus, namely, roller coasters and go-carts; repair of toys and dolls; furniture restoration and maintenance; umbrella repair; repair and maintenance of gas water heaters; repair and maintenance of non-electric cooking heaters; repair and maintenance of cooking pots and pans; repair and maintenance of musical instruments; repair of bags and pouches; maintenance and repair of safes; repair of shoes and boots; setup and repair of locks;repair of toilet stool units with a washing water squirts; repair of fishing tackle; clock and watch repair and maintenance; sharpening of scissors and kitchen knives; repair of billiard equipment; repair of game machines and apparatus, namely, Japanese horizontal pinball machines, smart ball machines, lottery wheels, Japanese vertical pinball machines, pachinko machines and billiard equipment; repair of personal ornaments, namely, accessories namely earrings, insignias of precious metal, buckles of precious metal, badges of precious metal, bonnet pins of precious metal, tie clips, tie pins, necklaces, bracelets, pendants, brooches, jewelry, medals, rings, trinkets and medallions; repair of spectacles; repair and maintenance of bathtubs; fur cleaning, care and repair; laundering of fur and clothing; pressing of clothing; repair of tatami mats; clothing repair; chimney sweeping; cleaning of building exterior surfaces; window cleaning; carpet and rug cleaning; floor polishing; septic tank cleaning; storage tank cleaning; street cleaning; bathtub and bath boiler cleaning; disinfecting of telephone hard-sets; vermin exterminating, not for agriculture, forestry and horticulture; rental of car washing apparatus; rental of electric washing machines; rental of construction machines and apparatus; rental of floor cleaning machines; rental of mops; waste disposal for others; rental of vending machines; drying of clothing, furs and fabric