[ Optical glasses; Electolysers; Egg-candlers; Cash registers; Coin counting or sorting machines; Electric signboards for displaying target figures, current outputs or the like; Photocopying machines; Time and date stamping machines; Voting machines; Vending machines; Coin-operated gates for car parking facilities; Fire extinguishers; Fire hose nozzles; Sprinkler systems for fire protection; Fire alarms; Protective helmets; Railway signals; Vehicle breakdown warning triangles; Luminous or mechanical road signs; Electric door openers; Vehicle drive training simulators; ] Optical apparatus and instruments, namely, optical devices in the nature of optical filters, optical wave plates, dichroic optical prisms for liquid crystal display (LCD) projectors, video projectors, liquid crystal on silicon (LCOS) projectors, light emitting diode (LED) projectors and cathode ray tube (CRT) projectors, optical pick ups, namely, read heads for optical drives, optical mirrors, optical frequency metrology plates, optical gratings in the nature of a component that is based on a periodic variation [ of the refractive index on optical glass used in optical pickups for tracking servo systems and spectral analyzer as dispersion elements; ] Optical apparatus and instruments, namely, optical low pass filters, heat sinkplates for liquid crystal display (LCD) projectors, video projectors, liquid crystal on silicon (LCOS) projectors, light emitting diode (LED) projectors and cathode ray tube (CRT) projectors, and etalon optical filters; Measuring or testing machines and instruments, namely, crystal sensors, namely, temperature sensors and pressure sensors, and electric or electronic gyro crystal sensors for detecting angular velocity; Rotary converters; [ Electric wires and cables; Electric flat irons; Electric hair-curlers; Electric buzzers; ] Electronic machines, apparatus and their parts, namely, oscillators, namely, TCXO (Temperature Compensated Crystal Oscillator), VCXO (Voltage Controlled Crystal Oscillator), OCXO (Oven Controlled Crystal Oscillator), programmable oscillators, clock oscillators, and atomic oscillators, namely, RB (Rubidium) oscillators; Electronic machines, apparatus and their parts, namely, crystal units and resonators, namely, tuning fork crystal resonators and AT cut crystal resonators; Electronic machines, apparatus and their parts, namely, SAW (Surface Acoustic Wave) devices, namely, SAW resonators, and SAW filters; Electronic machines, apparatus and their parts, namely, crystal filters, namely, monolithic crystal resonator filters; Electronic machines, apparatus and their parts, namely, electronic components and passive electronic components, namely, synthetic quartz crystals, lumbered quartz crystals, and crystal blanks, crystalline synthetic quartz and other crystalline piezoelectric materials used in piezoelectric devices for optical apparatus and devices, measuring or testing machines and instruments, piezoelectric oscillators, piezoelectric crystal units and piezoelectric filters; Electronic machines, apparatus and their parts, namely, synthetic quartz and other crystalline piezoelectric materials processed in the form of wafer used in piezoelectric devices for optical apparatus and devices, measuring or testing machines and instruments, piezoelectric oscillators, piezoelectric crystal units and piezoelectric filters; Magnetic cores; Resistance wires; Electrodes; Fire engines; [ Cigar lighters for automobiles; Gloves for protection against accidents; Dust masks; Gas masks; Welding masks; Fireproof garments; Spectacles in the nature of eyeglasses and goggles; Slot machines; Weight belts for scuba diving; Protective helmets for sports; Air tanks for scuba diving; Metronomes; Slide-rules; Exposed cinematographic films; Exposed slide films; Slide film mounts ]