International transactions in physical goods involve products from mining, petroleum, agriculture, and manufacturing activities.

物质商品中的国际交易涉及矿产品、石油产品、农产品和生产活动。

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He described mining hydrothermal vents as "more invasive" because it would involve breaking up the uppermost metre of the sea floor and piping the rock fragments to the surface.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush