Alum s not used in rosin and A.S.A. sizing, as a retention aid, and as – McqOptions

MCQOPTIONS

1.	Alum s not used in rosin and A.S.A. sizing, as a retention aid, and as a drainage aid.
A.	tTrue
B.	tFalse
Answer» C.

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Alum s not used in rosin and A.S.A. sizing, as a retention aid, and as a drainage aid.