Ключевые слова: analysis, assay, background, biology, biotechnology, blue, chemical, chemistry, close, closeup, color, colorful, container, culture, device, draw, drop, droplet, drug, equipment, experiment, fluid, glass, graphics, industry, instrument, lab, laboratory, liquid, measurement, medical, medicine, microbiology, pharmaceutical, pharmacology, pipette, purple, reflection, research, sample, science, scientific, scientist, technology, test, testing, tips, transparent, tube, white,