Ключевые слова: 20s, agriculture, analysis, analyzing, closeup, concentration, examine, examining, experiment, experimenting, expertise, focused, gloves, healthcare, holding, indoors, injecting, lab, lab coat, laboratory, male, man, medical, medical research, medical sample, mixedrace, practitioner, produce, profession, protection, research, researcher, researching, safety, sample, science, scientific, scientist, serious, specialist, study, studying, syringe, technician, testing, tests, tomato, vegetable, working, young adult,