[ Safety, security, protection and signalling devices, namely, security alarms, luminous or mechanical signs; navigation, guidance, tracking, targeting and map making devices, namely, global positioning system (GPS) apparatus; educational apparatus and simulators, namely, audiovisual teaching apparatus in the nature of audiovisual receivers, projectors, viewers, transmitters, reproducers, and senders, simulators for the steering and control of vehicles, and flight simulators; apparatus for re...