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Engineering students working in the lab, a student is using a voltage and current tester, another student in the background is using a 3D printer
Smart lightbulb invention icon. Cartoon of Smart lightbulb invention icon for web design isolated on white background
Finger touching DNA, genetically modified DNA, black background concept in invention. Developing genetically modified human genes
Single continuous line drawing rocket made from paper creations. Creation to commemorate the first astronaut on the lunar surface. Invention. Cosmonautics Day. One line design vector illustration
simple black childish hand drawing lines lightbulbs on yellow for background, texture, wallpaper, banner, label etc. with copy space. vector design.

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