

MCQOPTIONS
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1. |
The treadle bar is provided_____________________? |
A. | in the middle of the track a little in front of the toes of the tongue rail |
B. | near and parallel to inner side of one of the rails |
C. | at right angle to the rail |
D. | near and parallel to inner side of both the rails |
Answer» C. at right angle to the rail | |