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Uploaded by teongchoon on Jul 5, 2008
About Secure Outdoor Filter in English
Howto & Style
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After backwash, the water flows through the normal galvanized pipes, and recontaminate the water at end use. Do you explain this process to your customers?
bagannagab 1 year ago
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After backwash, the water flows through the normal galvanized pipes, and recontaminate the water at end use. Do you explain this process to your customers?
bagannagab 1 year ago