In the early 1960's, Porsche commercially manufactured farm tractors.
24
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
Originally, BMW was an airplane engine manufacturer.
69
The average car produces a pound of pollution every 25 miles!
18
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60