Ring hammer hammer (heavy hammer breaking machine) suitable hardness and brittleness's category below the broken material.

环锤式碎石机(重型锤破机)适用于莫氏硬度五级以下的脆性物料的破碎。

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One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example.

一方面是给玻璃杯涂一层特殊材料，防止其摔碎，这一材料可能会是塑料。

youdao

One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example。

一方面是给玻璃杯涂一层特殊材料，防止其摔碎，这一材料可能会是塑料。

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Germany has never answered that question directly, but from its early post-war days it has accepted that only by offering material restitution as well as expressions of remorse could it prove that it had broken completely with its Nazi past.

ECONOMIST: The price of the Holocaust