The characteristics of key projects will proceed from the upper drainage area To drain the water into the bay water stay at the seaside. Then, when the sea level dropped to lower than in a canal. Canal will flow into the sea, naturally. Then they started pumping out canal act plutonium to make water when on the slowly flowing, thus causing flood decreased. Finally, when the sea level was higher than the levels in the canal. Then closed the floodgate by waters down างเดียว (One Way Flow).
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