science banner engraved hand drawn old sketch and vintage style astronaut rocket scientific formulas |
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| navigate by keyword : science vintage physics education school drawing design background sign graphic set technology pencil symbol element study biology scientist microscope chemistry chemical concept formula notebook lab experiment collection scientific illustration engraved draw vector sketch engrave retro engraver hand drawn illustrated poster elements icon banner grunge doodle mathematics math robot brain |
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| Science banner. Engraved hand drawn in old sketch and vintage style. Astronaut and rocket. Scientific formulas and calculations in physics and mathematics and biology or astronomy on whiteboard |
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