Ключевые слова: adult, analysis, biology, biotech, biotechnology, camera, caucasian, cheerful, chemistry, confident, covid 19, employee, experiment, female, genetics, happy, healthcare, lab, lab coat, laboratory, laboratory coat, medical, microbiology, personnel, pharmacology, portrait, positive, professional, researcher, science, scientific research, scientist, smile, smiling, staff, white, woman, worker, young,