Ключевые слова: analysis, background, biochemistry, biology, biotechnology, black, brown, chemical, chemistry, clinic, closeup, copy, development, discovery, equipment, experiment, expertise, glass, glassware, health, hospital, lab, laboratory, liquid, medical, medicine, microbiology, mix, mixing, natural, object, one, organic, pharmacology, reaction, reagent, research, sample, science, scientific, space, substance, technology, test, text, tube,