Ключевые слова: analysing, analysis, analytic, analyze, biotechnology, bottle, chemical, chemicals, chemist, chemistry, close up, closeup, colorful, colourful, culture tubes, equipment, examine, experiment, flask, glass, glassware, industry, instrument, lab, laboratory, liquid, microbiology, reagents, research, sample tubes, science, scientific, solution, technology, test, test tubes, tubes,