Drying operation under vacuum is carried out to
(A) Dry those materials which have very high unbound moisture content
(B) Reduce drying temperature
(C) Increase drying temperature
(D) Dry materials having high bound moisture content
(A) Dry those materials which have very high unbound moisture content
(B) Reduce drying temperature
(C) Increase drying temperature
(D) Dry materials having high bound moisture content