Castor oil is used as a lubricant in jet planes.
-5
A toaster uses almost half as much energy as a full-sized oven.
33
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Kleenex tissues were originally used as filters in gas masks.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
The cigarette lighter was invented before the match.
210