Electric navigational instruments; Electric storage batteries; Electronic speed controllers; GPS navigation device; Photovoltaic cells and modules; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Safety and driving assistant system for mobile vehicles and vessels comprised of electronic proximity sensors and switches, high-resolution cameras, integrated circuits for the purpose of imaging processing, and display monitors; Simulators for driving or control of vehicles; Solar panels for the production of electricity; Surveying machines and instruments