Aspect ratios, i.e., depth-to-width ratios of the order of _____ are attainable by LBW.

Aspect ratios, i.e., depth-to-width ratios of the order of _____ are

1.	Aspect ratios, i.e., depth-to-width ratios of the order of _____ are attainable by LBW.
A.	1:2
B.	5:10
C.	10:1
D.	15:1
Answer» D. 15:1