The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Energy is being wasted if a toaster is left plugged in after use.
21
More than a billion transistors are manufactured every second.
-25
The IRS processes more than 2 billion pieces of paper each year.
28
The electric chair was invented by a dentist!
122
Castor oil is used as a lubricant in jet planes.
-5