Apparatus for recording and reproduction of sound, images or data; Apparatus for transmission of communication; Battery chargers; Computer hardware and peripherals; Digital audio and video recorders and players; Eye glasses; Fiber optic instruments, namely, fiber optic cables, fiber optic connectors; Safety equipment, namely, a lifeline system for horizontal or vertical movement to which a worker is attached for protection against fall hazards, composed of line tension indicator, turnbuckle, ...