Ключевые слова: ampoules, analysis, analyzing, biochemistry, biotechnology, black, chemical, chemistry, clinic, close up, colored, dark, discovery, equipment, experiment, five, glass flasks, health, healthcare, hospital, indoors, investigation, lab, laboratory, liquid, medical, medicare, medicine, nobody, objects, pharmaceutical, red, reflection, research, science, scientific, selective focus, substance, table, test, transparent, workplace,