Thank you, once more, gentlemen.
Some more steps taken...
The holes on the upper side disappeared after three sessions of filling, CDL paint and some shading


The holes remaining on the surface visible in the photos are for aileron control line its horns and pulleys.
Two last decals went on without a fuss

And while the MicroSol was doing its job on them, I have built a specific foldable windshield for Robinson's BE2c. I have used a piece of transparent foil from a spare box (a margin of a foil sheet from the PE set for Felixstowe), folded it, painted the sides in CDL, the black rim is a decal from a spare WNW decal sheet - actually sections of a black border between decals belonging to different versions (!) and the metal folds along the canvas edges - from a thin soldering wire.


The end is nearing!!!