To reduce the friction between the mould‚Äö√Ñ√∂‚àö√ë – McqOptions

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1.	To reduce the friction between the mould‚Äö√Ñ√∂‚àö√ë‚àö¬•s surface and casting, a refractory coating is done to the surface of mould.$
A.	True
B.	False
Answer» C.

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