MCQOPTIONS
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| 1. |
Lead of crossing is the distance from the |
| A. | Heel of the switch to the toe of the switch |
| B. | Heel of the switch to the theoretical nose of the crossing |
| C. | Toe of the switch to the theoretical nose of crossing |
| D. | Toe of the switch to the actual nose of crossing |
| Answer» C. Toe of the switch to the theoretical nose of crossing | |