Ключевые слова: adult, analyzing, biochemistry, biology, biotechnology, caucasian, chemical, chemist, chemistry, concentration, cry, danger, determination, discovery, doctor, examining, excited, experiment, expertise, female, holding, indoors, lab, laboratory, liquid, look, medical, medical test, medicine, people, physics, protective eyewear, research, science, scientist, scream, technology, test, test tube, tube, tubing, whites, woman, working,