electric bulb drawn on black chalkboard in wooden frame

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Size: 6844px × 4568px
Photo credit: © LightField Studios / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, beams, blackboard, bulb, chalkboard, concept, drawn, education, educational, electric, erudition, experience, exploring, idea, information, knowledge, learn, light, minimalism, minimalistic, science, sign, simple, simplisity, study, surface, symbol, theory, tuition