Porosity in porcelain can be prevented by_______________?
(A) Thoroughness of condensation
(B) Rapidity of firing
(C) High firing temperature
(D) All of the above
Porosity in porcelain can be prevented by_______________?
(A) Thoroughness of condensation
(B) Rapidity of firing
(C) High firing temperature
(D) All of the above
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