Old light bulb. Black and white.

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Size: 4704px × 3136px
Photo credit: © Stepan Popov / Alamy / Afripics
License: Royalty Free
Model Released: None

Keywords: background, black, bulb, concept, design, efficient, electricity, energy, equipment, eureka, idea, imagination, innovation, inspiration, intelligence, invention, lamp, light, object, power, solution, thinking, tip, vignette, white