The chain line may be represented either by a single line or by two li – McqOptions

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1.	The chain line may be represented either by a single line or by two lines spaced about ____ to _____ cm apart.
A.	1.5 to 2
B.	2 to 3
C.	1.5 to 2.5
D.	2.5 to 3.5
Answer» B. 2 to 3

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