The_pitch_of_spirals_is_limited_to_a_range_of:$

1.	The_pitch_of_spirals_is_limited_to_a_range_of:$
A.	40 to 45mm
B.	25 to75mm
C.	15 to 30mm
D.	10 to 30mm
Answer» C. 15 to 30mm

Discussion