9
Power distribution or control machines and apparatus; switchboards; measuring or testing machines and instruments; automatic liquid-flow control machines and instruments; automatic fluid-composition control machines and instruments; constant temperature incubators; constant humidity incubators; remote control telemetering machines and instruments; electronic paper displays; parts for the aforesaid; downloadable image files; electric switches; electric relays; circuit breakers; power controllers; current rectifiers; electric connectors; electric circuit closers; electric capacitors; electric resistors; local switches; power distributing boxes; fuses; lightning arresters; electric transformers; induction voltage regulators; electric reactors; computer programs; laboratory apparatus and instruments; glassware for scientific experiments in laboratories; porcelain ware for scientific experiments in laboratories; furnaces for laboratory experiments; electronic publications; parts and accessories for telecommunication devices and apparatus; flanged-type torque meters; optical apparatus and instruments; drawing or drafting instruments and apparatus; electric wires; electric cables; batteries; dye-sensitised solar cells; film solar cells
37
Construction; telecommunication wiring; repair or maintenance of chemical plants; repair or maintenance of boilers; repair or maintenance of chemical processing machines and apparatus; burner maintenance or repair; repair or maintenance of electronic machines and apparatus; repair or maintenance of computers; repair or maintenance of storage tanks; repair or maintenance of industrial furnaces; repair or maintenance of power distribution or control machines and apparatus; storage tank cleaning; maintenance of building equipment; repair or maintenance of electric motors; pump repair or maintenance; repair or maintenance of freezing machines and apparatus; construction consultancy; repair or maintenance of telecommunication machines and apparatus; repair or maintenance of electric lighting apparatus; repair or maintenance of laboratory apparatus and instruments; repair or maintenance of measuring and testing machines and instruments; repair or maintenance of loading-unloading machines and apparatus; repair or maintenance of machines and apparatus for processing foods or beverages; repair or maintenance of fire alarms