Download or read book Airplanes! English as a Second Language (ESL,ELT, EFL, TOEFL9 written by Douglas J Alford and published by Mfg Application Konsulting Engr. This book was released on with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Birds flap and find a way to fly. They are able to control their wings to push up and go forward. With airplanes, humans are able to fly too. The materials used to make planes, sink in water. With jet engines and streamlined shapes, magically, all the heavier than air parts of the plane are able, together ,to get us airborne. Our feet are no longer gravity-glued to the ground. We Earth-Lings are now Sky-Lings. Airplane wings still have wing parts called flaps.