The ball on top of a flagpole is called a 'truck'.
24
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
The cigarette lighter was invented before the match.
210
Jumbo jets use 4,000 gallons of fuel to take off.
19
Castor oil is used as a lubricant in jet planes.
-5
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23