. "They also exchanged vegetables with fish from the local fishermen.The ???Green Island??? soybean sauce that the island continues to sell to this day was originally produced by then-prisoner Huang Chung-hua (?????????).Former prisoner Mao Fu-cheng (?????????) said that their farming tools, such as sickles and hoes, were all made of melted scrap iron taken from the demolished US passenger liner SS P" . . . .