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Young african american woman wearing scientist uniform thinking concentrated about doubt with finger on chin and looking up wondering
Scientist, woman and smile with chemical beaker for biochemistry, experiment and pathology breakthrough. Laboratory, biotechnology and test for liquid inspection, pharmaceutical development and study
Engineer, Scientists and Developers Gathered Around Illuminated Conference Table in Technology Research Center, Talking, Finding Solution and Analysing Industrial Engine Design. Close-up Hands Shot
Both male and female Asian scientists are outfitted with protective gear. Examining the factory's machinery and materials used in the mask-making process. Covid 19 is a piece of preventive equipment.

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