No
like wind shield wipers
i think they all do
1903
wind shield wipers
the tiny elves move them back and forth.
Marian Anderson invented the wind shield wipers
None if your are living in Saudi Arabia. :-)
18 years old
18 inch
Snap them off if you are so dumb as to not be able to stop them the correct way.
one of the things Brian Anderson invented were the wind shield wipers
Yes, although inflight they are not needed as much. They are particularly helpful on the ground during taxi when raining.