With the advent of the five-year-plans, millions of women also began to toil in factories and in heavy construction, building dams, roads and steel mills in summer heat and winter frost.

随着“五年计划”的到来，数以百万计的妇女也开始在工厂和大型建筑工地、大坝、道路和钢铁厂中苦干，经受着夏天的酷热和冬天的严寒。

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From steel mills to paper factories, industry eats up about a third of the world's energy.

从钢铁厂到造纸厂，工业消耗了世界约三分之一的能源。

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Lake County is home to steel mills.

莱克县是钢铁厂之乡。

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But these steel mills also produced huge amounts of pollution.

VOA: special.2009.07.13

And Chinese steel mills have been forced to make purchases on the spot market.

ECONOMIST: Rio Tinto and China

Muscles and physical stamina were required for jobs in the steel mills and copper mines.

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Included are electrical generation facilities, iron and steel mills, pulp and paper mills and cement production.

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