138. Cooling of the molten glass is technically known
as
(A) soldering
(B) moulding
(C) tampering
(D) annealing
(a) D (b) C (c) B (d) A
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Answer:
D) annealing (mark me as brainlist)
Explanation:
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Cooling of the molten glass is technically known as annealing.
Explanation:
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