In the early 1960's, Porsche commercially manufactured farm tractors.
24
Originally, Nintendo was a playing card manufacturer.
70
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 cigarette lighter was invented before the match.
210
There are only 14 blimps in the world.
69
More than a billion transistors are manufactured every second.
-25
The United States produces enough plastic film annually to cover the entire state of Texas.
13