Cameras; photographic apparatus and instruments, namely, computer cameras, infrared cameras and digital cameras; optical apparatus and instruments, namely, 3D spectacles, thermal imaging cameras; measuring apparatus, namely, acceleration sensors, optical sensors, proximity sensors, sensors for scientific use to be worn by a human to gather human biometric data; solar batteries; batteries and electric cells; video cameras; touch sensors for computer monitors and touch screens; telephone sets; telecommunication devices, namely, portable telephones, telephone apparatus, television receivers, radio receivers, single-channel radio communication machines and apparatus for fixed stations, portable digital audio players, antennas, telephone connectors, headphones; wearable computers in the nature of smartglasses; neckband type wearable computers; wearable computers in the nature of smartwatches and wearable computer peripherals in the nature of wireless mice; computer programs for wearable computers, namely, computer operating software for controlling the operation of wearable computers and for using wearable computers; video monitors, head mounted video displays; microphones; loudspeakers; computers and their peripherals; neckband type wearable personal digital assistants; spectacle type wearable personal digital assistants; spectacles, none of the foregoing for use by or in relation to lift truck systems, lift truck fleets or lift truck operators