The rearward end of {HEAD ~ the plug pin} 30 is held by {TAIL ~ a pin} mounting 33, onto whose rear end 34 a helical spring 35 is pushed 
The rearward end of { HEAD ~ the plug pin } 30 is held by { TAIL ~ a pin } mounting 33 , onto whose rear end 34 a helical spring 35 is pushed
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH