Cazuela de Vaca (Beef and Pumpkin Stew) This hearty Chilean stew of beef, corn, and pumpkin is a one dish meal. The main ingredients are stewed in serving-sized pieces, so that each person receives a large piece surrounded by a broth with the other vegetables.
Quick Answer. A rotary vane vacuum pump works by using centrifugal force to turn blades against the circular surface of a cylinder whereby pockets of air are pushed from an inlet port to an outlet port as air pressure increases.
How does the power steering pump work? Power steering pumps create hydraulic pressure, and the hoses transfer the pressure to the steering gear, where it will be used to assist the driver turning the wheels, and the other hose will return the used fluid to be pressurized.