A closeup of a light bulb reveals the filament wire that glows hot with electricity and illuminates.

A closeup of a light bulb reveals the filament wire that glows hot with electricity and illuminates.

Photo by a-d-page33

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Size: 5568 x 3712 px
File format: JPG

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Stock photo: A closeup of a light bulb reveals the filament wire that glows hot with electricity and illuminates. was taken by a-d-page33 .