 
<translate> Ọ bụrụ na ị na-eji igwe na-egweri ihe mgbe ahụ ọ gaghị abụ nke ígwè. Azịza ya bụ na o nweghị otú anyị ga-esi amata. <eng> If you're grinding something with a machine then is would not be made of steel.
The answer: it is not possible to tell. 