Originally, BMW was an airplane engine manufacturer.
69
The IRS processes more than 2 billion pieces of paper each year.
28
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Jumbo jets use 4,000 gallons of fuel to take off.
19
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
More than a billion transistors are manufactured every second.
-25
Castor oil is used as a lubricant in jet planes.
-5