Controlled volume pumps, rotary pumps, suction pumps, gear pumps, screw pumps, regenerative pumps; high pressure cleaning machines; pneumatic and hydraulic machines, namely, turbines, blowers, compressors, disintegrators, gas expanders, wind tunnels, aerators; starters for motors and engines; electric generators; composting and fermentation machines for use in the disposal of solid and liquid waste; dewatering pumps; sedimentation and separation equipment, namely, centrifuges, classifiers, heavy media separators; silencers for engines; transmission for machine operation; vacuum cleaners; coupling for machines; valves for pumps; air filters for mechanical purposes; filters for motors and gas engines; solid separator device, namely, a separator body, an impeller and motor used to separate sand, silt and other solid particles from the water; metal working machines for pressing, forming and cuffing metal; machines for manufacturing and cleaning semiconductors and silicon wafers; washing machines for industrial purposes; sewage and refuse compressors, crushers and disposal units; and structural and replacement for all of the aforesaid goods

Conductors, namely, laser devices for making wafers; containers for storing semi-conductor wafers; rotary converters; pressure gauges; level gauges; thermometers not for medical use; hydrometers; gas meters; remote control telemetering apparatus; computers and parts therefor; computer software for controlling, monitoring and managing machines; system management software; electrolyzers; visual sensors for watching traffic; electrical information via sound, image and digital signal and transmission apparatus for multimedia; solutions analyzers for plating on IC lead frames and maintaining constant component density; liquid crystal displays; solar batteries; monitors for measuring levels of liquid and solid waste; and structural and replacement parts for all of the aforesaid goods

Electrical boilers; water tube boilers; hot water boilers; package boilers; fluidized bed boilers; furnaces; compost purification units; water filters; water purification units; exhaust gas treating equipment; ion exchangers; industrial and domestic waste processing units to incinerate waste and filtration units; incinerators; gasifies and gasifying furnaces; air purification units for industrial use; air purification units for removing nitrogen-oxide and sulfa-oxide from the air; deodorizing units; waste water and soil treatment units; nuclear reactors; apparatus and equipment for processing fuel, nuclear moderating materials, radioactive off gas, and radioactive liquid wastes, namely, filters, demineralizers and evaporators; asphalt solidification and bituminization units for processing radioactive waste; filters, evaporators and demineralizer units for water and liquid wastes; solidification and bituminization units for treatment of radioactive wastes; oxygen bleaching equipment comprising a reactor; chemical recovery units for use in the fields of waste purification and treatment; water treatment machines for recovering pure water from waste water in the plating process; filters used for purification of air or gas; liquid and solid waste recovery units; refrigerating machines, namely, compressors and air expanders for refrigeration and air conditioning units; gas heaters; oil heaters; chilling units for institutional, commercial and industrial comfort cooling and industrial process applications; heat pumps; fan-coil units for room heaters and water chillers; water cooling towers; ice storage units in the nature of freezers; deionization units for treating water; steam generators; apparatus for treating and removing exhaust gas produced by incinerating garbage; distilled water recovery unit; etching machines; implant machines; sputtering machines; annealers; lithography machines and dicing machines; steam engine boilers and structural and replacement parts for all the aforesaid goods

General building construction works; Plumbing; Repair or maintenance of air-conditioning apparatus; Repair or maintenance of boilers; Repair or maintenance of pumps; Repair or maintenance of freezing machines and apparatus; Repair or maintenance of power distribution or control machines and apparatus; Repair or maintenance of measuring and testing machines and instruments; Repair or maintenance of chemical processing machines and apparatus; Repair or maintenance of metalworking machines and tools; Repair or maintenance of industrial furnaces; Repair or maintenance of semiconductor manufacturing machines and systems; Repair or maintenance of plastic processing machines and apparatus; Repair or maintenance of water pollution control equipment; Repair or maintenance of water purifying apparatus; Repair or maintenance of waste compacting machines and apparatus; Repair or maintenance of waste crushing machines; Repair or maintenance of chemical plants; Repair or maintenance of nuclear power plants; Septic tank cleaning; Rental of drainage pumps

Designing of machines, apparatus, instruments including their parts or systems composed of such machines, apparatus and instruments; testing or research on machines, apparatus and instruments