Ключевые слова: analysis, background, biology, biotechnology, bottle, chemical, chemistry, consumption, contaminated, contamination, danger, dirty, drinking, ecology, environment, environmental, equipment, experiment, glass, glassware, lab, laboratory, management, medicals, natural, nuclear, plant, purification, radioactive, radioactivity, research, river, sample, science, scientific, stand, study, technology, test, toxic, treatment, tube, water, work,