Computer peripherals; Computer programs recorded on data media (software) designed for use in construction and automated manufacturing (cad/cam); Air quality measurement apparatus, namely, particle counters; Geiger counters; Equipment which counts or measures web hits; Luminous signs; Luminous safety beacons; Safety equipment, namely, beacon lights; Flashing safety lights; Automotive, industrial, construction, locomotive, aviation, navigation and marine safety-warning lights namely strobes, rotating lights and bar lights; Rotating lights signalling; Navigation apparatus for vehicles on-board computers; Surveying instruments; Automatic indicators of low pressure in tires; Optical apparatus, namely, a non-lethal security device that uses a light source to detect, warn, repel, temporarily blind, disorient, nauseate, disable, confuse, debilitate, stun, subdue, stop, or incapacitate persons or animals; Interferometers; Photometers; Refractometers; Autocollimators; Scientific apparatus, namely, spectrometers and parts and fittings therefor; Sound alarms