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A device on an automobile for making a warning noise.

Automobile Horn

A device on an automobile for making a warning noise.

A headlamp is attached to the front of a bicycle while illuminating the road ahead specially when there is low visibility.

Bicycle Lamp

A headlamp is attached to the front of a bicycle while illuminating the road ahead specially when there…

Incandescent bulbs are made in a wide range of sizes and voltages, from 1.5 volts to about 300 volts. They require no external regulating equipment and have a low manufacturing cost, and work well on either alternating current or direct current.

Incandescent Lamp

Incandescent bulbs are made in a wide range of sizes and voltages, from 1.5 volts to about 300 volts.…