9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electrical testing equipment-namely, a.c. and d.c. meters for testing and checking electrical meters, electrical devices, and the like, electrical tachometers, pyrometers, orifice meters, orifice well testers, chart drives and recorders, pressure elements-namely, tubing, diaphragms, bellows, bourdon tubes, and the like, thermowells, helical bourdon tubes, levelling saddles, and components for the foregoing
37
Building construction; repair; installation services
service and repair of electrical tachometers, pyrometers, motor-driven chemical injectors and pumps, magnetos and electrical testing equipment, orifice meters, orifice well testers, chart drive and recorders, pressure elements, thermowells, bourdon tubes, levelling saddles, and components for the foregoing