Ключевые слова: biological, biologist, biology, caucasian, cell culture, cell culture diish, cell culture medium, collage, culture medium, dark hair, disposable, experiment, experimental, gloves, healthy, ice, indoors, institute, lab, lab coat, laboratory, male, man, orange, pipette, portrait, protective, research, researcher, sample, science, scientific, scientist, senior, shelf, student, tools, trainee, white coat, work, worker, workwear,