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Light bulb with rays shine. Energy and idea symbol isolated on white background. Vector flat illustration. Design for greeting cards, patches, prints, badges, posters
Light bulb with leaf eco icon, Eco friendly energy icon with leaf. Save energy symbol. Light bulb with a energy icon and green leaf.
Education knowledge, Elearning graduate certificate program concept. Student hold book icon, lightbulb graduation hat. Study knowledge, creative thinking idea, online training class, degree solution
Concept of do you know text with light bulb illustration, speech bubbles, interesting facts or quiz knowledge badges. frames and bulbs, interesting fact quotes. flat vector illustration on background.
Pop art style collage. Halftone hand with index finger. Brain, lamp bulb, check mark sketches. Cut out newspaper elements. Modern design element. Idea, inspiration, marketing concept. Contemporary art

Free stock photosidea bulb (923)