In the early 1960's, Porsche commercially manufactured farm tractors.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The life boat was patented in 1845!
29
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Energy is being wasted if a toaster is left plugged in after use.
21
