In the early 1960's, Porsche commercially manufactured farm tractors.
24
Car airbags kill 1 person for every 22 lives that they save.
80
A toaster uses almost half as much energy as a full-sized oven.
33
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The first alarm clock could only ring at 4 a.m.
120
Castor oil is used as a lubricant in jet planes.
-5
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47