9 Ozonisers being ozonators; Sprinkler systems for fire protection; 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; apparatus for generating gas for calibration purposes in laboratories; Optical machines and apparatus, namely, microscopes; Measuring and testing machines and instruments, namely, temperature indicators, gasometers, thermometers not for medical purposes, water meters, balances, tape measures, Japanese style box-shaped volume measure, planimeters, measuring rules, pressure gauges, level indicators, acoustic meters, tachometers, accelerometers, refractometers, luminous flux meters, photometers, altimeters, hygrometers, illuminometers, vibration meters, noise level meters, logs in the nature of navigation tools for measuring the speed of a ship through water, speed indicators, calorimeters, viscosimeters, concentration meters, gravimeters, densimeters, dynamometers, flowmeters, angle gauges, angle dividing apparatus, spherometers, inclinometers, interferometers, straight edge instruments for measuring flatness, profile projectors, graduation checkers, length measuring gauges, screw-thread measuring machines and instruments, comparators non-electronic, surface roughness testing machines and instruments, automatic pressure control machines and instruments, automatic liquid-flow control machines and instruments, automatic fluid-composition control machines and instruments, automatic liquid-level control machines and instruments, automatic temperature control machines and instruments for warming and cooling equipment and instruments, automatic combustion control machines and instruments, automatic vacuum control machines and instruments being control valves for regulating the flow of gases, automatic calorie control machines and instruments being pressure controllers for controlling the pressure of gaseous substances in industrial processes, program control machines and instruments in the nature of programmable logic controllers, metal compression testing machines, metal hardness testing machines, metal strength testing machines, rubber testing machines, concrete testing machines, cement testing machines, textile testing machines, plastic testing machines, lumber testing machines, alidades, meteorological machines and apparatus, theodolite parts being base plates for surveying purposes, distance measuring apparatus, clinometers, magnetic compasses for surveying, needles for surveying compasses, gyrocompasses, magnetic gyrocompasses, photogrammetric machines being analysis instruments for photogrammetric purposes, level measuring machines for surveying, precision theodolites, rod-floats for measuring velocity of water current, surveying chains, tripods for surveying machines, targets for levelling rods, transits for surveying, levelling rods for surveying, sextants; 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, connectors for distributing and controlling electric current, capacitors for distributing and controlling electric current, resistors for distributing or controlling electric current; Batteries and electrical cells; Electronic machines and apparatus and their parts, namely, semi-conductor power elements, electron tubes, downloadable computer programs for operating electronic machines and apparatus, electronic circuits not including those recorded with computer programs; Magnetic cores; Resistance wires; Electrodes, other than welding electrodes or medical electrodes