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In HK there is a separate water system for sea water, and homes that use it for flushing toilets do have a second set of pipes. The additional cost of this comp
by oftenwrong 9y ago
In HK there is a separate water system for sea water, and homes that use it for flushing toilets do have a second set of pipes. The additional cost of this complexity must be weighed against the value of having enough clean water for daily life.