Ключевые слова: angle, background, biochemistry, biology, biotechnology, blood, cell, centrifuge, chemical, chemist, chemistry, coat, doctor, equipment, examining, glove, group, hand, health, healthcare, hematology, hospital, lab, laboratory, liquid, machine, machinery, medical, medicine, people, plasma, prp, research, sample, science, scientist, technician, technology, tube, view, worker,