Ключевые слова: analysis, analyzing, bank, blood, chemical, chemist, collecting, demonstrating, diagnostic, discovery, doctor, donor, examining, experiment, experimenting, facemask, glass, glassware, health, healthcare, hematologist, hematology, hormone, illness, lab, laboratory, man, masculinity, mask, medical, medicine, plasma, presenting, red, research, sample, science, scientific, scientist, showing, sign, storage, student, test, testing, testosteron, testosterone, tube, vaccine, virus,