senior man wearing lab coat investigating samples with microscope |
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| navigate by keyword : man senior science microscope work experiment examine analyze laboratory biologist technology investigate discover elderly caucasian observe professional chemistry research scientist chemist innovation focus workspace glove study medicine beard glasses desk male modern academic education healthcare occupation biology equipment instrument sample microbiology medical biotechnology lab test technician indoor |
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| Vertical shot of senior Caucasian man with grey hair and beard wearing lab coat examining sample through microscope in scientific laboratory, sitting at workstation with laboratory equipment visible |
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