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.
, Avid rider, mechanical engineer. Muffler and silencer both refer to the same part of the vehicle: one used to dampen/ modify the sound made by the engine. In america it is known as muffler while in europe and asia, it is known as silencer. Views.