Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Kleenex tissues were originally used as filters in gas masks.
46
Car airbags kill 1 person for every 22 lives that they save.
80
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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