

MCQOPTIONS
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1. |
A plate parallel is the line on the plane of the negative |
A. | parallel to the principal line |
B. | perpendicular to the principal line |
C. | along the bisector of the angle between the principal line and a perpendicular line through principal plane |
D. | none of these. |
Answer» C. along the bisector of the angle between the principal line and a perpendicular line through principal plane | |