| A | B |
| cranes | machines with long, movable arms used to lift things |
| twitch | to move with a sharp, quick movement |
| worry | to think bad things may happen |
| directions | instructions on how to do something |
| promise | statement made by a person telling that he or she will do something |
| Junkers | German planes that were used for fighting |
| monoplanes | airplanes that have one wing on each side of the plane |
| biplanes | airplanes with 2 sets of wings, one on top of the other |