One workhorse of the ETA mechanical line is the ETA 2824-2, The 2824 is an automatic winding, twenty-five jewel movement, available in four executions or grades: Standard, Elaborated (improved), Top and Chronometer.
The Breather Valve is a protection device mounted on a nozzle opening on the top of a fixed roof atmospheric storage tank. Its primary purpose is to protect the tank against rupturing or imploding.
(PÃ©ter Gudella/iStock/Getty Images) The displacement of an engine, or the engine's size, refers to the amount of space its cylinders take up. Often, this is measured in liters, especially for larger engines that are found in cars and trucks. An example would be the Ford Mustang's 5.0 liter engine.