求翻译：花岗岩是自然石材中最坚硬的类型之一。为了切割花岗岩,有必要使用一种比花岗岩更为坚硬的材料。使用不当的花岗岩切割工具不仅会损坏花岗岩,还会使施工者受伤。是什么意思？

Granite is one of the hardest type of natural stone. To cut granite, it is necessary to use a more rigid material than granite. Improper use of granite cutting tools will not only damage the granite, but also the construction were injured.

Granite is a natural stone in the toughest one of the types. In order to cut granite, it is necessary to use a granite is more rigid material. Improper use of the granite cutting tools will not only damage granite, will also enable construction had been injured.

The granite is in the natural stone material one of hardest types.In order to cut the granite, it is necessary to use one kind compared to a granite harder material.Not only uses the improper granite cutting tool to be able to damage the granite, but also can cause the construction to be injured.

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