Last September the MV Karrier sailed from, Japan to the Philippines. It stopped three times: at shanghai, chi-lung and manila. The vessel carried ballast, from Nagasaki to shanghai. At shanghai, the crew loaded 10,000 tonnes of rice. On 18 September, a tropical storm damaged part of the ship, so a fitter repaired the life raft at chi-lung. The ship loaded 286, containers of electrical goods and 400, cars. The vessel continued to manila, and arrived at 12 am on 22 September. In manila, the ship unloaded 6000, tonnes of rice and 286, containers ,of electrical goods.
what is the main idea of the passage above?