To this end, the nozzle parts are freely mounted to move in response to pressures generated in the switch and they are disposed in {HEAD ~ the gas path} between {TAIL ~ the arcing chamber} and the accumulator space 
To this end , the nozzle parts are freely mounted to move in response to pressures generated in the switch and they are disposed in { HEAD ~ the gas path } between { TAIL ~ the arcing chamber } and the accumulator space
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH