Directing at the characteristic of hard processing material, this paper sums up the developing trends of cutting, abnormal and special processing ways.

针对难加工材料的特点，总结了难加工材料的切削加工性改善的方法及其非常规加工方法和特种加工方法的概况及进展。

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Third party processing could ensure the material is enriched only to the point needed for civilian purposes, and below the level called for in nuclear weapons.

VOA: standard.2009.10.04

The problem is that there was a previous plant there (processing material from the local tin ores) which left quite a bit of radioactive residue around the place.

FORBES: The Rare Earths Shortage Isn't Over Yet

This approach will, however, require intelligent robots which can work by themselves for years, digging and processing the desirable material.

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