Single surface wing covering laid out - left wing built first using high lift wing supplement instructions. Wing spar assembly inserted into covering in proper rotation. All bolts attached as per specs - bellcrank compression strut assembly completed, could only torque to 30 to avoid distorting tube, 50-70 was required. Inboard compression strut built to spec. Thread adhesive used when adding to wing. Heat cut rib ends using template and inserted ribs 1, 3, 6, 10. Created a clamp and pull system to pull the wing covering tight