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