oriental dark-haired female scientist in medical gown, protective mask and rubber gloves holding erlenmeyer flask

adult analyzing assistant attractive beauty biochemist biochemistry biology biomedical biotechnology care caucasian chemical chemistry concept control darkhaired doctor environmentalist erlenmeyer experiment expert female flask glass gloves gown hand healthcare hold holding joy mask medical medicine okay one oriental outside person positive practitioner professional protective research rubber sanitary science scientific scientist scienсe showing sign specialist study transparent white woman work young