 
			 
			MCQOPTIONS
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				| 1. | A_line_AB_has_its_one_say_B_end_in_horizontal_plane_and_vertical_plane_then_horizontal_trace_and_vertical_trace_will_coincide_in___________line.$ | 
| A. | xy reference | 
| B. | vertical reference | 
| C. | above xy reference | 
| D. | below xy reference | 
| Answer» B. vertical reference | |