Fiber optic connectors; Fiber optic instruments, namely,Fiber Optic Optical Time Domain Reflectometers; Measuring or testing machines and instruments, namely, Visual Fault Locator; Fiber optics; Fibre optic couplings; Optical reflectors; Photo electron spectroscopy analyzers, not for medical purposes; Surveying machines and instruments; Wattmeters; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free...