Castor oil is used as a lubricant in jet planes.
-5
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Any modern jet is capable of breaking the sound barrier.
34
The ball on top of a flagpole is called a 'truck'.
24
There are only 14 blimps in the world.
69


