Thanks a lot !! nice explanation.
I will try to do this.
I think i place the unit as in picture 3, and saw no difference,so i was wondering how to use this.
thanks again.

Initially just started playing.
On tutorial 3, how to make use of bridging unit ?
what advantage it has ?
more information on unit use would have helped in the manual.
but dont find that.
thank you

I am new to game.
Playing the tutorial 3, where they have bridging unit.
how to use it ? what advantage it have ?
sorry for bad english.
thank you.