Ключевые слова: analysis, analyzing, background, biochemistry, biology, biotechnology, busy, chemical, chemist, chemistry, clinical, close, closeup, computer, development, discovery, doctor, education, equipment, experiment, expertise, glass, health, hospital, instrument, investigation, lab, laboratory, lens, liquid, medical, medicine, metal, microbiology, microscope, microscopy, optical, optics, pharmaceutical, professional, research, sample, science, scientific, scientist, study, technology, test, university,