Pick up the non-inflammable plastic from the following:
(A) Cellulose acetate plastics
(B) Polyvinyl chloride plastics
(C) Phenol formaldehyde plastic
(D) Urea formaldehyde plastic
(A) Cellulose acetate plastics
(B) Polyvinyl chloride plastics
(C) Phenol formaldehyde plastic
(D) Urea formaldehyde plastic