paano nakakatulong ang imbensyion ng kagihasnang indus na sewage system ngayon
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paano nakakatulong ang imbensyion ng kagihasnang indus na sewage system ngayon
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Answer:
Proper maintenance of sewage systems prevents waterborne diseases from being spread. It is also vital for protecting water resources. ... If the sewage system has been adequately constructed and is maintained, it will provide treatment of water for the long term.