graduated rulers for measuring; automatic turnstiles; electrolysers, fire extinguishers; fire alarms; welding electrodes, electric soldering irons; gloves, shoes and clothes for protection against accidents, irradiation and fire; diving suits; protective helmets, masks and visors; radiology screens for industrial purposes, smoke detectors, magnifying glasses for optical use, spectacles for optical use, electric batteries, batteries for lighting, darkroom lamps for photographic use, photog... Read More
