Construction machines and apparatus, namely, dredging machines; Loading-unloading machines; Chemical processing machines and apparatus, namely, presses for chemical processing, agitators for chemical processing, mixing and blending machines for chemical processing, dust collecting machines for chemical processing, sintering machines for chemical processing, calcining machines for chemical processing, cleaning apparatus for chemical processing in the nature of machines to clean the inside of tubes, hoses and pipes, sorting machines for chemical processing, granulating machines for chemical processing, extracting machines for chemical processing, emulsifying machines for chemical processing, kneading machines for chemical processing, disintegrators for chemical processing, reaction vessels for chemical processing in the nature of industrial chemical reactors, separating machines for chemical processing, filtering machines for chemical processing; Pulp making, papermaking and paper-working machines and apparatus; Glassware manufacturing machines; Plastic processing machines; Rubber-goods manufacturing machines and apparatus; Machine elements not for land vehicles, namely, internal combustion engines not for land vehicles, steam engines not for land vehicles, jet engines not for land vehicles, rocket engine and hydraulic turbines not for land vehicles, compressed air engines not for land vehicles; Vacuum cleaners; Power sprayers for disinfectants, insecticides and deodorants not for agriculture purposes; Waste compacting machines; Waste crushing and shredding machine; Starters for motors and engines; Alternating and direct current motors not including those for land vehicles but including parts for any AC motors and DC motors; Alternating current generators; Direct current generators; Electric arc welding machines; Metal cutting machines by arc, gas or plasma; Electric welding apparatus

Electrolysers; Fire extinguishers; Fire hose nozzles; Sprinkler system for fire protection; Fire alarms; Gas alarms; Laboratory apparatus and instruments, namely, laboratory experimental machines in the nature of a constant temperature incubators, constant humidity incubators, glassware for scientific experiments in laboratories, porcelain ware for scientific experiments in laboratories, furnaces for laboratory experiments; Optical apparatus and instruments, namely, microscopes in the nature of magnifying glasses, body-tubes and lens barrels for microscopes, metallurgical microscopes, biological microscopes, reflectors for microscopes, prisms for microscopes, polarizing microscopes, stereoscopes, lenses for microscopes; Measuring or testing machines and apparatus, namely, precision measuring machines and instruments in the nature of angle gauges, angle dividing apparatus in the nature of protractors, spherometers, inclinometers, interferometers, profile projectors, graduation checkers, calibration checkers, length measuring gauges, screw-thread measuring machines and instruments, comparators, surface roughness testing machines and instruments, automatic adjusting machines and instruments for adjusting and regulating used to control pressure and liquid flow, regulating machines and instruments for adjusting and regulating used to control pressure and liquid flow, automatic pressure control machines and instruments for supplying water, refrigerating machines, water treatment plants, incineration plants, and waste gas treatment equipment for manufacturing semiconductors, automatic liquid-flow control machines and instruments for supplying water, refrigerating machines, water treatment plants, incineration plants, and waste gas treatment equipment for manufacturing semiconductors, automatic fluid-composition control machines and instruments for supplying water, refrigerating machines, water treatment plants, incineration plants, and waste gas treatment equipment for manufacturing semiconductors, automatic liquid-level control machines and instruments for supplying water, refrigerating machines, water treatment plants, incineration plants, and waste gas treatment equipment for manufacturing semiconductors, automatic temperature control machines and instruments for supplying water, refrigerating machines, water treatment plants, incineration plants, and waste gas treatment equipment for manufacturing semiconductors, automatic combustion control machines and instruments for gaseous melting furnace and waste gas treatment equipment for manufacturing semiconductors, automatic vacuum control machines and instruments for gaseous melting furnace and waste gas treatment equipment for manufacturing semiconductors, automatic calorie control machines and instruments for gaseous melting furnace and waste gas treatment equipment for manufacturing semiconductors, program control machines and instruments in the nature of programmable logic controller for controlling machines and instruments such as pneumatic or hydraulic machines and instruments, program control machines and instruments in the nature of pressure switches and sensors for controlling machines and instruments such as pneumatic or hydraulic machines and instruments; Power distribution or control machines and apparatus, namely, electric switches, electric relays, circuit breakers, power controllers, current rectifiers, electric connectors, electric circuit closers, electric capacitors, electric resistors, local switches, power distributing boxes, plugboards, fuses for electric current, lightning arresters, electric transformers, induction voltage regulators, electric reactors; Rotary converters; Phase modifiers; Batteries and electrical cells; Electric meters and electrical outlet testers; magnetic meters and magnetic testers in the nature of magnetic locators; Electric wires and cable; Telecommunication machines and apparatus, namely, wire communication machines and apparatus in the nature of teletypewriters, automatic telegraph machine, phototelegraphy apparatus, manual telegraph apparatus, facsimile machines, transmission machines and apparatus for telecommunication in the nature of audio frequency transmission machines, cable transmission machines, power-line transmission machines and apparatus, open-wire transmission machines, transmission and repeating machines in the nature of fiber optic repeaters, radio communication machines and apparatus in the nature of portable radio communication machines, aeronautical radio communication machines, multichannel radio communication machines for fixed stations, single channel radio communication machines for fixed stations, vehicular radio communication machines, remote control telemetering machines and instruments in the nature of Loran navigation machines, structural and replacement parts for the aforesaid telecommunication machines and apparatus; Electronic machines and apparatus and their parts, namely, semi-conductor elements in the nature of thermistors, electronic circuits not including those recorded with computer programs, downloadable computer programs for operating electronic machines and apparatus; Magnetic cores; Resistance wires; Electrodes; Fire Engines; Ozonizers; Ozonators

Drying machines for chemical processing; Recuperators for chemical processing; Steamers for chemical processing; Evaporators for chemical processing; Distillers for chemical processing; Heat exchangers for chemical processing; Industrial furnaces; Nuclear reactors; Forage drying apparatus; Industrial boilers; Air-conditioning machine for industrial purposes; Freezing and refrigerating machines and apparatus, namely, centrifugal refrigerating machines, absorption refrigerating machines, chilling units, fan coil units, cooling towers, ice storage system comprising refrigerators, coolers, ice machines, cooling tube icemakers, cooling evaporators, cooling domes, gas refrigerators and refrigerating or freezing showcases; Tap water faucets; Level controlling plumbing valves for tanks; Pipeline cocks; Waste water treatment tanks for industrial purposes; Septic tanks for industrial purposes; Garbage incinerators; Solar water heaters; Water purifying machine; Waste water treatment tanks for household purposes; Septic tanks for household purposes; Heating and cooling packs filled with chemical substances ready to react when required; Chemical processing machines and apparatus, namely, reaction vessels for chemical processing in the nature of heat exchangers for partial condensing in chemical processing

General building construction; Installation, repair, cleaning, and maintenance of Chemical processing machines and apparatus, Ozonisers, ozonators, Electrolysers, electrolytic cells, Drying apparatus for chemical processing, Recuperators for chemical processing, Steamers for chemical processing, Evaporators for chemical processing, Distillers for chemical processing, Heat exchangers for chemical processing; Installation, repair, cleaning, and maintenance of Non-electric prime movers not for land vehicles; Installation, repair, cleaning, and maintenance of Pneumatic or hydraulic machines and instruments; Installation, repair, cleaning, and maintenance of Machine elements not for land vehicles; Installation, repair, cleaning, and maintenance of Waste compacting machines and apparatus, Waste crushing and shredding machine, and Garbage incinerators; Installation, repair, cleaning, and maintenance of Starters for motors and engines, Alternating and direct current motors not including those for land vehicles but including parts for any AC motors and DC motors, Alternating current generators, Direct current generators, Power distribution or control machines and instruments, Rotary converters, Phase modifiers; Installation, repair, cleaning, and maintenance of Fire alarms, Gas alarms, Anti-theft warning machines; Installation, repair, cleaning, and maintenance of Electric or magnetic meters and testers; Installation, repair, cleaning, and maintenance of Electric wires and cables; Installation, repair, cleaning, and maintenance of Electronic machines and apparatus and their parts; Installation, repair, cleaning, and maintenance of Industrial furnaces, Nuclear reactors; Installation, repair, cleaning, and maintenance of Industrial boilers; Installation, repair, cleaning, and maintenance of Air-conditioning apparatus for industrial purposes; Installation, repair, cleaning, and maintenance of Waste water treatment tanks for industrial purposes, Septic tanks for industrial purposes; Installation, repair, cleaning, and maintenance of Water purifying apparatus; Installation, repair, cleaning, and maintenance of Nuclear equipment; Installation, repair, cleaning, and maintenance of measuring machines and apparatus, testing machines and apparatus, and detectors; Installation, repair, cleaning, and maintenance of Semiconductor manufacturing machines and apparatus; Installation, repair, cleaning, and maintenance of Incinerators; Installation, repair, cleaning, and maintenance of Gasifiers; Installation, repair, cleaning, and maintenance of Machines and apparatus for treating water, sewerage water, industrial water, industrial waste water, night soil, refuse, household waste, industrial waste, industrial waste gases and heat for manufacturing compost; Installation, repair, and maintenance of Refuse compressors and sewage soil crushers; Installation, repair, and maintenance of waste sewage night soil treatment equipment and of composting machines and instruments; Installation, repair, and maintenance of Machines and apparatus for purifying water and sewage water; Installation, repair, and maintenance of Gaseous melting machines, equipment and system; Installation, repair, and maintenance of Melting furnace for sludge and of sludge treatment equipment; Installation, repair, and maintenance of Distilled water recovery equipment and ultra pure water system; Installation, repair, and maintenance of Electric demineralizers and continuous-electro deionization; Installation, repair, and maintenance of Fluidized bed boiler; Installation, repair, cleaning, and maintenance of Water supplying machines automatically operated; Installation, repair, cleaning, and maintenance of metalworking machines and machine tools, power polishers, chemical-mechanical polishing machines used in the manufacture of semi-conductors, surface polishers for semiconductor wafers, semi-conductor wafer treatment machines and implements and machines for carrying the wafers, as well as components and accessories thereof; Construction, installation, repair, and maintenance of telecommunication equipment and systems; Installation, repair, and maintenance of visual sensors for watching traffic; Construction, installation, repair, cleaning, and maintenance of Plating apparatus, Solder plating apparatus, Electric plating apparatus and Electroless plating apparatus, Bump plating apparatus; Construction, installation, repair, cleaning, and maintenance of Automatic apparatus for analyzing solution composition in solder plating system; Construction, installation, repair, cleaning, and maintenance of Automatic apparatus for treating draining in solder plating system; Installation, repair, and maintenance of computers including central processing units, programmed-data-carrying electronic circuits, magnetic disks, magnetic tapes, magnetic cards, optical disks and other peripheral equipment; Installation, operating, repair, replacement work, cleaning and maintenance of equipment for supplying water to or draining water from buildings; Installation, repair, replacement work, cleaning, and maintenance of water receptacles and water tanks in elevated positions; Installation, repair, and maintenance of machines and implements, components and accessories thereof, for processing, forming and manufacturing of thin films for using electronic machines and implements; Installation, repair, and maintenance of machines and implements, components and accessories thereof, for manufacturing of liquid crystal display for using electronic machines and implements; Installation, repair, and maintenance of solar batteries as well as components thereof; Installation, repair, and maintenance of fuel cell as well as components thereof; Installation, repair, and maintenance of chemical reactors, used for attaching a vapor of a chemical material and deposition equipment, as well as components thereof; Installation, repair, and maintenance of equipment used for processing wafers used for manufacturing semiconductors, as well as components thereof; Installation, repair, and maintenance of epitaxial reactors, chemical deposition reactors, plasma etching process equipment, physical deposition reactors, ion injection equipment, and supporting frames therefor; Installation, repair, and maintenance of containers for semiconductor wafers, and components thereof; Rental of prime movers in the nature of gas turbines; Rental of pneumatic and hydraulic machines and instruments in the nature of pneumatic and hydraulic construction equipment, namely, winches, gear boxes, and load systems

Gas distribution and supply; Electricity distribution and supply; Water distribution and supplying; Heat distribution and supply; Rental and leasing of loading-unloading machines and apparatus; Rental and leasing of freezing and refrigerating machine, and apparatus

Removal of radiation rays, namely, radiation area decontamination services; Processing of rubber; Processing of plastic; Ceramic processing; Water treating; Recycling of wastes; Nuclear fuel reprocessing; Rental and leasing of water purifiers; Rental and leasing of waste compacting machines and apparatus; Rental and leasing of crushing and shredding machines and apparatus; Rental and leasing of chemical processing machines and apparatus; Rental and leasing of glassware manufacturing machines; Providing information relating to material treatment; sorting of waste and trash as recyclable material; Rental and leasing of chemical processing machines and instruments

Custom design of plants, including machines and apparatus for treating water, sewage water, industrial water, industrial waste water, night soil, refuse, industrial waste, industrial waste gases and heat; Engineering services in the field of environmental hygienic facility system and water purifying apparatus and water contamination control equipment; Engineering services in the field of ultra pure water production system and various other environmental hygienic systems; Engineering services in the field of cogeneration systems and other electric power plants; Engineering services of pump equipment; Engineering services of incinerators; Scientific investigation, analysis, inspection, examination, research, and technical information services for waste, fuel gas reproduced from waste, gas for generating electricity, other fuels, gas for chemical raw materials and other various chemical materials; Design, drafting of engineering drawings for others, engineering, examination, scientific research, technological guidance in the field of waste compression apparatus, waste crushing apparatus, waste processing apparatus, waste treatment apparatus and plant for regeneration, processing and treatment of waste; Design, scientific investigation, scientific examination, scientific research, and technological guidance in the field of regeneration, processing and treatment of waste; Design of machines, apparatus and instruments, including components thereof, and facilities composed by these machines, apparatus and instruments in the field of industrial machines to be used for semiconductor manufacturing machines, pneumatic or hydraulic machines and instruments, namely, pumps, vacuum pumps, blowers and compressors, alternating and direct current motors; Scientific examination and scientific research services of prevention of pollution; Scientific examination, inspection, and research services of agriculture, livestock breeding and marine life; Rental and leasing of measuring machines and instruments and of measuring apparatus in the nature of detectors; Consultancy of scientific investigation and analysis of environment; Scientific examination and scientific research services in the fields of liquid, heat, energy, materials, vibration control, sound control, tribology, magnetic carrier shaft and magnetic application, system control, information technology, beam technology, biotechnology, pure water, ultra-pure water, sterilization water, water treatment, sludge treatment, harmful gas treatment and air purification; scientific and technological services, namely, measurement, analysis and scientific investigation services in the fields of water quality, atmosphere, energy use, working environment; scientific and technological services, namely, measurement and analysis services in the fields of air pollution, water pollution, noise, and other environmental matters; Maintenance of Computer software for electrical information and transmission for multimedia; Maintenance of Computer software for controlling, monitoring and management