residential and commercial building construction, interior finishing, namely, wallpaper hanging, installing floor tile and installing wood flooring, installing partitions for office use; installation and repair of business and office machinery and equipment, namely pachinko machines operating inside amusement facilities, all other machines including game machines; electrical repair and installation of motors, air conditioning units, and smoke neutralizers, dehumidifiers and humidifiers operating inside said facilities; repair and maintenance of bicycles, automobiles and motorcycles; repair and maintenance of photographic apparatus, namely, film projectors and cinema projectors; repair and maintenance of vending machines which make automatic seals and stickers by transfer printing of pictures taken of customers; repair and maintenance of vending machines which make prepaid cards for the purchase of pachinko game balls; repair and maintenance of vending machines; repair and maintenance of office machines and equipment, namely, copy machines, personal computers, typewriters, labeling machines, office lettering machines, paper punch machines, and paper perforating machines; repair and maintenance of electrical communication apparatus and instruments, namely, central processing units, program-encoded electronic circuits and magnetic disks, peripheral equipment, and personal computers; repair and maintenance of household apparatus and articles, namely, air conditioners, televisions, stereo, washing machines, refrigerators, and microwaves; repair and maintenance of amusement machines and apparatus for use in playlands, pleasure grounds and other amusement facilities, namely, pachinko balls and slot halls, game parlors, billiards and mah-jongs; repair of sporting equipment, namely, equipment for golf, baseball, soccer, track, billiard, martial arts, basketball, volleyball, tennis, ski, snowboard, squash, and football; repair of toys and dolls; installation and repair of locks, clocks, watches, stop watches and wrist watches; repair of commercial games equipment, namely, slot machines and slot machines for pachinko, token balls supply machines for pachinko, token coin vendors for slot machines, automatic counting machines for pachinko parlors, and game machine parts, accessories and apparatus, namely, prepaid award distribution machines and machines to display the information of pachinko machines