Ключевые слова: analysis, analyzing, background, beaker, biochemistry, biology, biotech, biotechnology, blue, chemical, chemistry, closeup, color, drop, equipment, exam, experiment, fluid, glass, glassware, h1n1, lab, laboratory, liquid, material, measuring, medical, medicine, microbiology, pharmaceutical, pharmacology, pharmacy, pipette, research, sample, science, scientific, scientist, selective, solution, substance, technology, test, testtube, transparent, tube, tubing, water,