Operate and maintain finishing machines to grind, drill, sand, bevel, decorate, wash or polish glass or glass products.

操作和维护整理机，磨，钻，沙化，伞，装饰，清洗或抛光玻璃或玻璃制品。

youdao

Yes there should be a technology nowadays that both show the mien of ancient item and not damage its integrity in a word it seems a bit indiscretionary to polish it with grind stone.

是啊，可是想想看现在科技这么发达，应该能够找到一种办法，既充分展现古器的风采又不伤害古器的完整性，总之单单用磨刀石似乎太卤莽了。

youdao

Yes there should be a technology nowadays that both show the mien of ancient item and not damage its integrity in a word it seems a bit indiscretion ary to polish it with grind stone.

是啊，可是想想看现在科技这么发达，应该能够找到一种办法，既充分展现古器的风采又不伤害古器的完整性，总之单单用磨刀石似乎太卤莽了。

youdao

Though that also makes it more flexible (and makes the ability to grind and polish the glass to create a light-capturing parabolic surface without actually breaking the thing all the more impressive), this flexibility can be exploited to keep the reflective surface in shape.

ECONOMIST: Japan��s new telescope