Originally, BMW was an airplane engine manufacturer.
69
Whale oil was used in automobile transmissions as late as 1973.
56
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Castor oil is used as a lubricant in jet planes.
-5
Kleenex tissues were originally used as filters in gas masks.
46
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
