In a business where speed is of the essence - where speed is perhaps everything - the pit crew are crucial to success. A top professional pit crew can change all four tires, refuel, adjust aerodynamics, and get a driver moving again in under 10 seconds.
The pit crew are a highly trained, well-oiled machine. A typical crew is made up of a crew chief, car chief, jackman to lift up the car, tire carriers and changers, and a gasman to take care of refuelling.
And it's not just Formula 1 - just about every level of car racing relies on pit crews.