Removed skin from wing and removed strips of protective plastic from around the skin holes. Deburred and dimpled all holes except for wingtip mounting holes. Deburred and dimpled all holes in wing ribs and spars. (Had to countersink the holes at the intersections of the ribs and the rear spar.)
Sanded, cleaned and primed inside of skin along rivet lines. Sanded and cleaned the surfaces of the ribs that meet the skin.
Removing strips of protective plastic from the skin. Soldering iron and metal straight-edge are key.
