the main methods for improving the quality of drinking water

prezentatsiya powerpoint the main methods for improving the quality of drinking water distribution of water used in uzbekistan: - for irrigation-90,2% - farm drink-6,2% - industry-2,2% - fish farming-1,5% useful water for man mineral waters chimyon, polvontosh imperial family chortoq, moistened, dilapidated house tashkent, fergana, asperula 1 billion. the population does not have safe drinking water according to sanitary norms. every day 5000 people in the world turn a blind eye to the world as a result of the use of contaminated drinking water. up to 2025 year from the water deficit to 2 billion. the population is likely to suffer. let's appreciate the nature preservation dump we ourselves change the appearance of the earth's surface. the cycles of rains …

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