The plastic (equipments) fit us better than ferrous ones, because ferrous ones often hurt some of us.

最好不要是铁的，设置一种塑料的，因为我们班就经常有人玩那个把皮弄破了。

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Welders operate welding equipment to weld ferrous and non-ferrous metals.

焊工操作焊接设备焊接亚铁金属和有色金属。

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Metal casters set up and operate various casting machines to cast ferrous and non-ferrous metal products; hand ladle and pour molten metal into moulds to produce castings.

金属铸工安装和操作各种铸造机，铸造铁和非铁金属产品；手工舀取熔化的金属，并倒入模具，生产铸件。

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Australia is supplying much of the iron ore, non-ferrous metals and coal that China needs.

ECONOMIST: Buttonwood: On top down under | The

A. students are being funded by state firms like China Non-Ferrous Metal Industry and China Eastern Airlines.

CNN: ASIANOW - TIME Asia | Business: Leadership Deficit

No one has been able to produce a ferrous material that can act like a silicon microprocessor at room temperature.

FORBES: Spin Is In