OSWAL CHEMICALS is an international purchaser from India, need to buy products of Chemical and Mineral, Ceramics etc. categories.

该公司是一家国际采购商，来自印度，需要购买的产品类别包括：化工及矿产、陶瓷等。

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INTRADE CHEMICALS is an international purchaser from Egypt, need to buy products of Chemical and Mineral, Building Materials etc. categories.

该公司是一家国际采购商，来自埃及，需要购买的产品类别包括：化工及矿产、建材等。

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NANA BADU is an international purchaser from Ghana, need to buy products of Chemical and Mineral, Building Materials, Ceramics etc. categories.

该公司是一家国际采购商，来自加纳，需要购买的产品类别包括：化工及矿产、建材、陶瓷等。

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To understand the mechanism, Dr Clarke and his collaborators made a synthetic version of the bacterium and discovered that the organism generated a charge, and effected a chemical change, when in direct contact with the mineral surface.

BBC: Bacteria power 'bio-battery' breakthrough