Tublulence of molten gold is due to _____________?
(A) Impurities in gold
(B) Improper venting
(C) A and B
(D) None of the above
Tublulence of molten gold is due to _____________?
(A) Impurities in gold
(B) Improper venting
(C) A and B
(D) None of the above
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