engineer showing blackboard formulas
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
engineer showing blackboard formulas |
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| navigate by keyword : algebra architect architecture blackboard board builder building business chalk cheerful construction contractor education engineer engineering equation finger foreman formula gesture hand hardhat helmet idea industry male man math mathematics occupation person pointing positive problem professional project protection safety science scientific showing solution solving study symbol theory thinking white young |
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| Cheerful positive thinking young man engineer wearing protective helmet showing index finger pointed up showing chalk written mathematics formulas and equations over blackboard. Education concept |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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