Wing fuel tanks part 1 - skin and rib preparation

Wing skins were edge smoothed, deburred mostly with sandpaper followed by a very light touch of the deburring tool, edge seamed then scrubbed with EkoEtch.

Also documented is how I had to deploy the washers supplied with the AN hardware in order to ensure sufficient centering the hardware and also to ensure the nuts did not bottom out on the small unthreaded region on each fitting