9 Electrical tools and implements included in this class, namely, electrical terminal boxes, electric switches; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric conductors, electric switches, electrical transformers, electric accumulators, voltage regulators, and electrical controllers; Batteries and accumulators, included in this class; Charging equipment for batteries and storage batteries, namely, battery chargers; Accessories and parts for all items above, included in this class, namely, battery cases; Supervision, surveying, cinematographic, optical, weighing, measuring, signaling, checking apparatus and instruments, namely, scales, and compasses, and safety apparatus in the nature of inflatable floatation devices, optical mirrors; Surveying machines and instruments; Photographic projectors and cameras, cinematographic cameras and projectors, weighing machines; Instruments for measuring length and distance; Rotating signaling lights and signaling buoys; Meters and measuring tools, namely, electric meters, concentration meters and electronically operated distance measuring apparatus; Fire-extinguishing apparatus; Projectors, enlarging apparatus, namely, photocopiers and scanners which enlarge images on a paper; Vehicle breakdown warning triangles; Time switches, namely, switch clocks; Safety clothing for protection against workplace accident or injury; Safety glasses for protecting the eyes; Safety shoes and boots for protection against accident or injury; Safety headgear to protect against workplace accident or injury; Gloves for protection against injury in accidents; Protective masks to prevent against workplace accident or injury; Knee-pads for workers, namely, knee-pads for protecting the knee during do-it-yourself (DIY) project work; Tape measures