Mainly, we called the method of water purification treatment, how to improve the quality of the wastewater wastewater
there are many ways. We will, for example, wastewater treatment, such as chemicals used in wastewater treatment (EM Ball),The invention of the equipment to circulating water not rotten (wind turbines) and using plants trap dirt in the water (water hyacinth)
.It makes us know. Water is the main factor in the life of things there. If we don't care, do not control the use of water, will be affected.
so we must help maintain water quality for himself, and living things.
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