On September 15th it brought two actions against China at the World Trade Organisation (WTO): one contesting Chinese duties on American exports of a special type of steel used in power generation, and another over discrimination against foreign providers of payment-card transactions.

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And they have even turned up in a type of hard, specialised steel made by Sandvik, a Swedish engineering firm.

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My mailbox is old, fully amortized, and made of steel of the type that America used to produce back when we forged steel that won wars.

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We also looked at several groundbreaking building systems that stand to make our cities stronger and more sustainable, starting with a new type of flexible superglass that is stronger than steel.

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The goal is clear, but getting there, finding a way through the murk and smog that hangs over cities like Wuhan, and forging a future based not on steel but a different type of economy - that's the hard part.

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This Ohio company, founded as a wooden barrel maker, makes steel drums, corrugated boxes, water bottles, rain barrels and basically every type of packaging you could think of.

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At a recent golf-industry show, however, the U.S. working group displayed examples of counterfeit clubheads sawed in half, and you can see the type of irregularities that impact performance: irregular interior walls, or supposedly hollow iron-head cavities that instead are solid steel.

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