machine tools and parts and fittings therefor, namely, metal cutting and forming machines, plastics and rubber forming machines, woodworking machines, assembly machines, materials handling machinery, food processing machines, printing and paper board machines, packaging machines, machinery for working leather, textiles and related materials, construction and building materials machinery, compressors, sump pumps, mining and quarrying machinery; guards and safety screens for machines and machine tools and parts and fittings therefor, namely, fixed guards, moveable guards, safety barriers, transparent guards, mesh and expanded guards; control mechanisms for machines, engines or motors and parts and fittings therefor, namely, manual controls, control pedals, bars and trip wires or ropes, safety mats, safety bumpers and edges, safety stops, emergency stops protection fittings for machines which protect against accidents and parts and fittings therefor, namely, fixed guards, moveable guards, safety barriers, transparent guards, mesh and expanded guards, control pedals, bars, trip wires or ropes, safety mats, safety bumpers and edges

light or radiation projection apparatus and parts and fittings therefor, namely, safety light curtains, single beam optical sensors, retroreflective sensors, object detection sensors using diffused relection of the projected light, using ultraviolet, visible or infrared light radiation, ultrasonic, sonic, microwave, electromagnetic proximity sensors, and controllers therefor; photometers or detectors of other radiation and parts and fittings therefor, namely, electrosensitive sensors of ultraviolet, visible and infrared radiation, one, two and three dimensional arrays of such sensors including video cameras, microwave, X-ray and other electromagnetic radiation detectors, sonic and ultrasonic sensors, and controllers therefor; optical apparatus and parts and fittings therefor, namely, safety light curtains, single beam optical sensors, retroreflective sensors, object detection sensors using diffused relection of the projected light, all using ultraviolet, visible or infrared light radiation, ultrasonic, sonic, microwave or other electromagnetic proximity sensors, electrosensitive sensor of ultraviolet, visible and infrared radiation, one, two and three dimensional arrays of such sensors including video cameras, microwave, x-ray and other electromagnetic radiation detectors, sonic, and ultrasonic sensors, and controllers therefor; electrosensitive sensors of ultraviolet, visible and infrared radiation, one, two and three dimensional arrays of such sensors including video cameras, microwave, X-ray and other electromagnetic radiation detectors, sonic, and ultrasonic sensors, and controllers therefor; control mechanisms for machines, engines or motors and parts and fittings therefor, namely, position sensors, motion sensor, proximity switches, safety switches, fall arrest and anti-fall sensors, interlock switches, and controllers therefor machine tools and parts and fittings therefor, namely, inspection/testing machines