hand drawn science laboratory icons sketch chalk blackboard vector illustration back school |
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| navigate by keyword : art atoms back biology blackboard board chalk chalkboard chemical chemistry college design discovery drawn education educational element equipment experience experiment formulas glass hand icons illustration instruments isolated knowledge lab laboratory medicine molecule object physics retro school science scientific sign sketch student study style subject symbol technology test university vector vintage |
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| Hand drawn science laboratory icons sketch. Chalk on a blackboard. Vector illustration.Back to School. Science lab objects doodle style sketch, Laboratory equipment. |
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