Doug, thanks for explanation. My English is definitely not a native-like one, I do not catch all the subtleties.
Thanks, CarlT. I am sure you will be able to do at least the same as me. After all it is not so complicated, only tedious.
And meanwhile... As usually I could not help it and stopped for a moment at the monoplane stage:
And by the way, probably the last shot of the dirty bottom. Later I will be afraid to lay the model upside down to photograph it.
Tomorrow is the upper-wing-time!