positive confident qualified bearded chemist in medical uniform and gloves sitting in front of camera in evening lab and showing alright symbol
positive qualified smart african american female scientist in uniform and protective gloves sitting at the desk in evening lab and working with flasks with chemical fluids
confident responsible african american female scientist in uniform and medical face mask and gloves writing down results of researches into paper report in evening lab
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Portrait of female scientist in protective mask, glasses and hat looking through microscope and then posing for camera in lab
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confident high-skilled african american female biologist in uniform and protective face mask and gloves posing on camera with glass test tube in evening lab
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