Tudományos áttörés. Jolly meleg férfi laboratorián biztonsági üveget visel, míg a növények ápolása az injekciós üveget, és mosolyogva - Stock fotó és kép

More samples. Merry gay male laboratorian grinning while getting vial and putting on safety glasses

Successful experiment. Selective focus of male hand carried vial filled with liquid and man putting on safety glasses and grinning

Biological project. Delighted nice smart biologist holding a syringe and putting blue liquid into test tubes while working on a scientific project

Background image science team in the lab .photo with copy space

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Close up.man scientist looking through a microscope.science and health

DNA research. Nice professional male doctor holding a blood sample and looking at it while working in the medical laboratory

Enthusiastic scientist. Happy positive delighted man wearing protective glasses and smiling while working with chemical reagents

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Chemical reagent. Selective focus of test tube with blue liquid being in hands positive smart male scientist

Biological research. Positive smart male biologist holding a microscope and taking a test tube while conducting a biological research

In the scientific lab. Selective focus of scientist hand taking out of the test tube for the research