Radiation-measuring instruments; Electronic metering faucets; Video projectors; Radio sets; Noisemeters; Sound mixers; Spherometers; Egg-candlers; Alarms for the detection of inflammable gases; Audio-video receivers; Electronic sensors for measuring solar radiation; Computer mounts; pH meters; Emergency signal transmitters; Smartglasses; Punched card machines for offices; Switches, electric; Audio dubbing apparatus; Smart glasses; Electronic metronomes; Eyewear for pets; Laser speed detectors...