The first factory I visited was an assembly plant where all the components come together to form a finished product.

我走访的第一家工厂是一个装配厂，在这里所有的零件汇聚起来组装成成品。

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This lists how many, of what components, are needed for each item (part, sub assembly, final assembly, finished product) of manufacture.

这个清单列出制造每个项目(零件，组件，总装，成品)所需要的原料数量和种类。

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In most high-tech fields today, the know-how needed to make a component, sub-assembly or finished product has progressed too far and too fast for the average worker to be able to propose any useful innovations.

ECONOMIST: The land of disappointments | The