Ключевые слова: analyse, animal, background, biology, biotechnology, blue, chemical, clinic, closeup, diagnosis, discover, doctor, domestic, examine, experiment, experimental, eye, glasses, glove, hand, health, hold, human, injection, lab, laboratory, mammal, mask, medical, medicine, mouse, one, person, pet, protective, rat, research, researcher, safety, science, scientific, scientist, small, study, syringe, test, veterinarian, white, woman, worker,