Translations:KAVAN DARA A1 (F1H) 1200mm - Instruction manual/32/en

From KAVAN RC Wiki

Cover the upper side of the wing in the same manner – apply thinned white glue/adhesive dope to the trailing and leading edges, main spar and ribs. You will have to cut the tissue in short 4–8 mm portions around the wing tip in order to follow the curve of the tip.