The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The average car produces a pound of pollution every 25 miles!
18
In the early 1960's, Porsche commercially manufactured farm tractors.
24
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12