serious middle age man devoted scientist engrossed groundbreaking research using tech savvy laptop medical |
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| navigate by keyword : middle age man male adult elderly mature person handsome senior hispanic expression science research medicine scientist experiment technology medical professional microscope chemist biology analysis work worker working tube test standing laptop computer internet online screen gadget device serious concentrate relaxed clinic center hospital room indoor indoors lab laboratory pharmacy chemistry breakthrough |
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| Serious middle age man, a devoted scientist engrossed in groundbreaking research using tech-savvy laptop, engrossed in a medical experiment at the bustling lab |
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