In 1903, Mary Anderson received a patent for an invention that cleaned precipitation and debris. Her initial version was controlled by a handle inside a vehicle. Her invention was widespread within 15 years. By what alliterative name (we need both words!) do we know Mary's invention?

Oil is measured in barrels, which is equal to 42 US gallons or 159 liters.

Venezuela leads the world with 300.9 billion barrels of oil reserves – a 17.8 per cent share of global reserves.