elderly caucasian male chemist protective suit holds test tube and writes formula the glass
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elderly caucasian male chemist protective suit holds test tube and writes formula the glass |
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| An elderly Caucasian male chemist in a protective suit holds a test tube and writes a formula on the glass |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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