Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between _________.

Angle of inclination of the lacing bar with the longitudinal axis of t

1.	Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between _________.
A.	10° to 30°
B.	30° to 80°
C.	40° to 70°
D.	20° to 70°
Answer» D. 20° to 70°

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Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between _________.

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