3 ms·
Just as a reference, 80% of toilets in Hong Kong are flushed with seawater: https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in_Hong_Kong#cite_ref-Cent
by y2kenny 3y ago
Just as a reference, 80% of toilets in Hong Kong are flushed with seawater: https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in_Hong_Kong#cite_ref-Century_5-0 https://en.wikipedia.org/wiki/Water_supply_and_sanitation_in...