Camcorders; Cinematographic cameras; DVD players; Electro-dynamic apparatus for the remote control of signals; Lasers not for medical use; Megaphones; Portable media players; Protective helmets; Remote control telemetering machines and apparatus; Scanners; Slide projectors; Spectacles; Transponders; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Electro-dynamic apparatus for the remote control of signals; Transparency projectio...