The cigarette lighter was invented before the match.
210
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
In the early 1960's, Porsche commercially manufactured farm tractors.
24
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
A small airplane can fly backwards.
75