21. The aircraft is made from aluminum tubing, with the wing covered in Dacron sailcloth . 22. The aircraft is made from metal tubing, with its wing covered in Dacron sailcloth . 23. For the ceremony, the body traditionally was sewn into sailcloth and weighted by a cannonball. 24. They exported less of a variety, with focus on pearls, oysters, and sailcloth . 25. The wing is built from aluminum tubing and covered with pre-sewn Dacron sailcloth envelopes. 26. Heavier weight sailcloth was substituted and finally a steel cable was used at the trailing edge. 27. The aircraft is made from aluminum tubing, with its flying surfaces covered in Dacron sailcloth . 28. The aircraft is made from bolted together aluminum tubing, with the wing Dacron sailcloth covered. 29. The aircraft is made from aluminum tubing, with the flying surfaces covered in Dacron sailcloth . 30. The aircraft wing is made from bolted-together aluminum tubing and covered in Dacron sailcloth .
