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.
asÂ·piÂ·raÂ·tor. n. 1. A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.2. A suction pump used to create a partial vacuum.oun. 1. aspirator-a pump that draws air or another gas through a liquid. pump-a mechanical device that moves fluid or gas by pressure or suction.