To keep the hot glass item s finishing and transparency , they go through a process called annealing. This process involves _______?

cooled slowly and uniformly under controlled environment

To keep the hot glass item s finishing and transparency , they go thro

1.	To keep the hot glass item s finishing and transparency , they go through a process called annealing. This process involves _______?
A.	cooled rapidly
B.	cooled very slowly
C.	cooled slowly and uniformly under controlled environment
D.	heating rapidly
Answer» D. heating rapidly

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To keep the hot glass item s finishing and transparency , they go through a process called annealing. This process involves _______?

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