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Building construction supervision; construction information; construction of steel structures; construction of airports; construction; damp-proofing [building]; building insulating; building construction; building maintenance and repair; commercial housing construction; building of fair stalls and shops; upholstering; heating equipment installation and repair; electric appliance installation and repair; machinery installation, maintenance and repair; interference suppression in electrical apparatus; installation and repair of sanitary apparatus; installation and repair medical equipment; vehicle breakdown repair services; photographic apparatus repair; clock and watch repair; safe maintenance and repair; rustproofing; retreading of tires; carpentry services; laundering; disinfecting; pump repair and maintenance; cleaning of storage tanks; telephone installation and repair; elevator installation and repair; burglar alarm installation and repair; septic tank cleaning; restoration of musical instruments; knife sharpening; rental of drainage pumps; artificial snow-making services; repair of hand tools; book repair and restoration; repair of binoculars; repair of toys or dolls; repair of power lines; rental of dish washing machines; luggage repair; shoe repair; restoration of works of art; repair of game machines and game apparatus; swimming-pool maintenance; installation and repair of entertainment and sports apparatus; umbrella repair; jewelry repair. Weighing goods for others; marine chart updating services; graphic design; technological research; engineering drawing; engineering design services; quality testing; surveying; chemical analysis; biological research; meteorological information; material testing; industrial design; construction drafting; design of interior decor; construction project development; planning and design of entertainment venue buildings; exhibition venue design; architectural design; dress designing; computer software design; authenticating works of art; graphic arts design; cloud seeding; handwriting analysis [graphology]; cartography services; evaluation of product design.