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 Fuel Pumps Work. 1  Step by step explanation on how an automotive fuel pump works. - 2  A connector is located near the top of the fuel tank, which is used to supply power and ground for the fuel pump and sensing wires of the fuel level sender. 3  Step 3 - A corrugated fuel tube is used to connect the pump to the top of the tank through the cap plate.