While using wooden poles in a temporary line, the value of extension s

1.	While using wooden poles in a temporary line, the value of extension should not be more than
A.	50 to 80 m.
B.	40 to 50 m.
C.	100 to 300 m.
D.	60 to 100 m.
Answer» C. 100 to 300 m.

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