Ключевые слова: biochemical, biochemistry, biotechnology, boil, boiling, chemical, chemicals, chemistry, closeup, danger, dangerous, evaporation, experiment, experimental, fluid, fume, fuming, harmful, hazardous, investigation, lab, laboratory, liquid, material, mixed, organic, poisonous, practical, practice, project, reaction, reagent, research, researcher, risk, sample, science, scientific, scientist, silhouette, smoke, steam, studies, study, technology, test, toxic, tube, vapor, working,