Ключевые слова: adult, analysis, analyzing, biotechnology, black, bulb, chemical, chemist, chemistry, clear, clinical, coat, dark, doctor, education, experiment, expertise, female, flask, foam, girl, glasses, glassware, gloves, healthcare, lab, laboratory, liquid, looking, medical, medicine, microbiology, mixing, person, pretty, professional, research, researcher, safety, sample, science, scientific, scientist, solution, student, test, tube, unrecognizable, white, woman,