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.
Definition of afterburner. 1  1 : a device incorporated into the tailpipe of a turbojet engine for injecting fuel into the hot exhaust gases and burning it to provide extra thrust. 2  2 : a device for burning or catalytically destroying unburned or partially burned carbon compounds in exhaust (as from an automobile)