There are two kinds of coal: steam coal, which is used to generate electricity, and metallurgical coal, which is used in the production process for certain metals - especially steel.

煤炭分两种：动力煤(用来发电)和冶金用煤(在某些金属的生产过程中使用，尤其是钢)。

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Step 2 of the large-variety workflow performs two tasks (extracts a list of items from the production order and fetches process details for each item).

多种工作流程的第2步执行两个任务(从生产指令中提取需要生产的产品清单并获取每一个所需产品的流程细节)。

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So the PETE process has two really big benefits in energy production over normal technology.

这样PETE方法和普通的科技相比，在能量生产上就有两个相当大的优势。

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The whistles, horses, cars, tiny furniture, spinning dancers, jumping horses and flapping birds produced today are almost identical to those made more than a century ago - though no two toys are precisely the same, thanks to the handcrafted production process.

UNESCO: Culture

Ellie has vertically integrated its production process in-house so it can turn around new designs in two to four weeks, which compares to eight to twelve weeks for larger brands, Geinke says.

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