The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
More than a billion transistors are manufactured every second.
-25
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16
A small airplane can fly backwards.
75
Car airbags kill 1 person for every 22 lives that they save.
80
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7