Electrical equipment for power exchange, namely, electric power converters, inverters, electric wires and cables; current transformers; electrical converters; transformers; batteries, namely, accumulators; batteries; electric charging equipment, namely, battery chargers; alarms and warning equipment, namely, sound alarms, fire alarms, gas alarms; alarms and alarm sensors that go off in reaction to collision and water level changes, for use on watercraft and ships; signal columns, namely, rota...