Chemical machines/apparatus Semi-conductor element manufacturing apparatus Motors other than for land vehicles (excluding "water mills/wind mills") Pneumatic or hydraulic machines/instruments Cultivating machines Harvesting machines Alternating or direct current motors (other than for land vehicles) Alternating current generators Direct current generators Repairing machines Shafts/spindles/axles Bearings Shaft couplings Power transmissions Buffers and shock absorbers Springs Braking apparatus Valves

Environmental testing apparatus Physical or chemical apparatus/instruments Measuring apparatus/instruments Electrical distribution or control machines/instructions Rotary converters Batteries Electric or magnetic measuring machines/instruments Electric wires/cables Photographic apparatus/instruments Optical apparatus/instruments Processed glass (not for buildings) Electrical communication apparatus/instruments Computer programs [downloadable software] Computer software [recorded] Electronic machines/instruments and their parts/fittings Ozonisers Sports training simulators Vehicle driving training simulators Fire alarms Gas alarms Extinguishers Sprinkler systems for fire protection Resistance wires Electrodes Operation recording machines Electric calculators Electric automatic door openers

Medical apparatus/instruments

Industrial furnaces/kilns/ovens Boilers Heating apparatus Freezing/refrigerating equipment Drying apparatus Recuperators Steamers Evaporators Heat exchanges Heating or air-conditioning equipment Solar water heaters Water purifying apparatus Water-level control valves for tanks

Repair/ maintenance of environmental testing apparatus/instruments Installation of environmental testing apparatus/instruments; and other machinery installation Metal plating and sheet metal work Sealing/damp-proofing work Plumbing Electrical work Telecommunication work Insulating work Consulting in respect of building constructions Operation, repair and maintenance of construction equipment Repair and maintenance of medical apparatus/instruments Repair and maintenance of chemical apparatus/instruments Repair and maintenance of cultivating apparatus Repair and maintenance of harvesting apparatus Repair and maintenance of industrial furnaces/kilns/ovens Repair and maintenance of water purifying apparatus Repair and maintenance of water contamination control equipment Repair and maintenance of measuring apparatus/instruments Repair and maintenance of heating or air-conditioning equipment Repair and maintenance of boilers Repair and maintenance of pumps Repair and maintenance of freezing/refrigerating equipment Repair and maintenance of storage tanks Repair and maintenance of telecommunication Repair and maintenance of computers (including central processing units/programmed data carrying electronic circuits or magnetic disks/other peripheral equipment) Repair and maintenance of electrical distribution or control machines/instructions Repair and maintenance of generators Repair and maintenance of motors Repair and maintenance of integrated circuit manufacturing apparatus Repair and maintenance of semi-conductor element manufacturing apparatus Repair and maintenance of household electric apparatus/instruments Repair and maintenance of physical and chemical apparatus/instruments Repair and maintenance of heating apparatus Cleaning of storage tanks Sterilizing of medical instruments

Rental of environmental testing apparatus/instruments Testing/inspection of household electric appliances, electronic apparatus/instruments, electronic parts/fittings, electrical apparatus/instruments, optical appliances, parts of motor vehicle, clothing, furniture Testing/inspection of plastics, metals, rubber, wood, glass, fabric, paper and other materials Remote control and operating of environmental testing apparatus/instruments Remote control and operating of computers Consultation in environment testing Analysis of genes Synthesis of DNA Testing and research of environmental sanitation Environmental impact Assessment Testing and research of worker's safety in working environment Collection/destruction of domestic waste/trash Collection/destruction of industrial waste/trash Gardening (care for gardens and flower beds) Garden tree planting Fertilizer spreading Weed killing/prevention Vermin exterminating (for agriculture, horticulture or forestry) Geological survey/research/prospecting Designing of machinery, instruments and installations composed thereof Consultation in respect to performance and operation of computers, motor vehicles and other highly-professional machinery Computer programming/maintenance of computer software Testing/screening/research of pharmaceuticals/cosmetics/food Testing/research for prevention of pollution Electrical testing/research Civil engineering testing/research Testing/inspection/research for agriculture/livestock breeding/marine product industries Testing and research of machinery Rental of optical apparatus/instruments Rental of cameras Rental of measuring apparatus/instruments Rental of heating or air-conditioning equipment for industrial use Rental of ultrasonic testing apparatus/instruments Rental of beating apparatus Rental/leasing computers (including central) processing units/programmed-data-carrying electronic circuits, magnetic disks and tapes/other peripheral equipment) Rental of motors Rental of physical or chemical apparatus/instruments Rental of air conditioners Rental of freezing/refrigerating equipment