Technology property that unlock this ability is "ghost-time-to-live" that is in "construction-robotics" and in "automated-construction".

I understand you mean tanks, cause I don't remember any tankers in this game. (And it's unlikely that they added that in last update) (There also is possibility that you mean tankers from one of mod (that I'm not aware of) but then you should mention that in your post)

It's in node fluid_box of ...

Hello.

I would like to ask if there is way to set selecting priority of objects that are on the same tile (as example bot can be on same tile as Assembling Machine.)

I'd like to force that my object would be always selected before any other stationary object under.

I suppose that if there are ...