Propellers are on some airplanes primarily to give
stability protection from bird strikes speed motion engine cooling energy noise cancellation power
A B C D E F G H
Airplanes create thrust using propellers, jet engines , or rockets .
Some airplanes use propellers to move
Propellers are on some airplanes primarily to give (A) stability (B) protection from bird strikes (C) speed (D) motion (E) engine cooling (F) energy (G) noise cancellation (H) power