A typical flashlight consists of a small incandescent lightbulb (or, in recent models, an LED) with associated parabolic reflector, powered by electric batteries, and with an electric power switch. The components are mounted in a housing that contains the necessary electric circuit and provides ease of handling, a means of access to the batteries for replacement, and a clear covering over the lightbulb for its protection. Flashlight parts and accessories are available to repair or enhance an existing flashlight.
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