Ключевые слова: adult, analysis, background, biochemistry, biology, biotechnology, blue, chemical, chemistry, closeup, development, discovery, dish, equipment, examining, female, flask, glassware, gloves, hand, indoors, industry, lab, laboratory, liquid, medical, medicine, microbiology, person, petri, pharmaceutical, pharmacy, reagent, research, sample, science, scientific, scientist, study, table, taking, technology, test, testing, tube, tubes, vaccine, woman, work, working,