The second cause is the oil spill, leak. From the factories on the Mainland, the ships transporting oil on the sea or even oil can leak from the ship travel. Specialized ships transported thousands of tons of oil from continent to continent. But little trouble through the process of shipping, but when it happens, the consequences are very serious. Thousands of tonnes of oil would spill into the sea and it is difficult to check out xoát leads to water pollution.
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