Lighting bulb drawn on a blackboard

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Size: 4411px × 3619px
Photo credit: © michele piacquadio / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, black, blackboard, bulb, business, chalck, chalk, chalkboard, chalkk, concept, design, draw, drawing, drawn, educate, educated, educating, education, good, great, high, idea, innovation, learn, letter, light, lights, school, study, success, texture, textured, white, work, write, writing