Category: Save Our Planet
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Seawater for Flushing
While many places in the world nowadays are still using fresh water for toilet flushing, Hong Kong is one of the few places extensively applying seawater for flushing since the late 1950s.
While many places in the world nowadays are still using fresh water for toilet flushing, Hong Kong is one of the few places extensively applying seawater for flushing since the late 1950s.