A Chinese survey ship returned to Shanghai on July 11 with large quantities of deep sea metallic nodules, the largest weighing 2.9 kilogrammes.The 4,000-ton ship, designed and manufactured in China,...
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A Chinese survey ship returned to Shanghai on July 11 with large quantities of deep sea metallic nodules, the largest weighing 2.9 kilogrammes.The 4,000-ton ship, designed and manufactured in China,...