Run the Define Points for Labelling (41L1) command.
It opens a new dialog, where you define the area in which the command should be executed.
When you define an area, confirm with OK.
Then you choose the [End: End] option and select the element in the drawing.
In the picture on the right, you can see that the left embankment is selected.
The command draws intersections.
Then you repeat the process for other elements. The final result is shown in the picture.
An example, where the position is defined in the middle of the block (light).