Bone crusher

（重定向自Bone Mill）

A bone crusher was a device for crushing animal bones. Bones obtained during slaughter were cleaned, boiled in water and dried for several months. After that, they were suitable for crushing with the special machine into a relatively dry gritty powder which was used as fertilizer.

单词	Bone Mill
释义	Bone Mill 英语百科 Bone crusher （重定向自Bone Mill） A bone crusher was a device for crushing animal bones. Bones obtained during slaughter were cleaned, boiled in water and dried for several months. After that, they were suitable for crushing with the special machine into a relatively dry gritty powder which was used as fertilizer.
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