Seafood is a staple in nearly every Chilean's diet. Shellfish such as loco (abalone), erizo (sea urchin) and piure (an unusual red invertebrate) join more widely known fish, including sardines, salmon, congrio (conger eel) and atÃºn (yellowfin tuna).
To work efficiently, pipes need a way of regulating how much fluid can pass through them; they also need a way of switching the flow off completely. That's the job that valves do: valves are like mechanical switches that can turn pipes on and off or raise or lower the amount of fluid flowing through them.
How Do Car Brakes Work? When a car's brake pedals are pushed, a rod comes into the master cylinder and forces brake fluid through the brake line and into the calipers. Find out how calipers push pistons and cause brake pads to smash together with help from an auto mechanic in this free video on car repair and diagnostics.