And second, water pollution, water quality deterioration condition that causes. Caused by such waste disposal into the river. Emissions of toxic chemicals into a river from a factory Osama tasak ham.
And the second condition that causes water pollution, water quality deterioration. Fueled by such Litter into rivers Releasing toxins into the water from industries pestle or cabinet.
And the second pollution to water quality deterioration caused by conditions such as the dumping ในแม่น้ำ. The release of toxins into the river from the industry, coarse or culture.