Carry out furnace construction supervision including cold and hot repairs and emergency work.

负责窑炉建造监管，包括冷热端修复及其他应急工作。

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Carry out furnace inspections and audits and recommend necessary repairs to ensure safe operation of the furnace.

负责窑炉检查和审计，为窑炉安全生产提供必要的修复建议。

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The inventor Henry Bessemer discovered that directing a blast of air at melted iron in a furnace would burn out the impurities that made the iron brittle.

发明家亨利·贝塞默发现，在熔炉里对铁水直接吹一吹气，就会烧掉使铁变脆的杂质。

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This is titanium sponge that comes out of the bottom of this reactor, and it subsequently re-melted in a vacuum arc furnace.

海绵状的钛,从反应器的底部出来，随后在真空炉中重新熔炼。

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Before you rush out and order a geothermal system, remember that furnace and air-conditioning technology has advanced as well, with new units 20% more efficient than a decade ago.

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Getting the tin out of the cassiterite is pretty easy: a hand built furnace and some charcoal can be used to do it although obviously modern machinery can make it more efficient.

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The start of production at the blast furnace comes at the same time that Tata is carrying out its biggest single round of job cuts in more than 20 years in Port Talbot.

BBC: Wales