Ключевые слова: alcohol, analyzing, beaker, biology, biotechnology, chemical, chemist, chemistry, cold, danger, discovery, education, engineering, equipment, experiment, flask, glass, hand, healthcare, industry, instrument, laboratory, light, lighting, liquid, measurement, measuring, medical, medicine, microbiology, occupation, pharmacy, professional, quality, red, research, sample, science, scientific, scientist, scrutiny, shake, studying, substance, technician, technology, test, toxic, tube, up,