Performing Assembly of both wings at the same time. Deburred & primed W-1210B-L&R, W-1206-V's, & W-1206-T's. Pg. 13-2 Step 1: Separated 20 Attach Angles. Step 2: Separated the Rib Doublers. Step 3: Clecoed the Rib doublers to the Spar Assy's. Step 4: Used a 6" #30 drill to match-drill the first row of holes from Attach Angles into the Rib Doublers. Pg. 13-3 Step 1: Attached the 1206V Attach Angles to the Spar Assys. Step 2: Clecoed the 1206T Attach Angles to the outbd. end of the Spar Assys.