{HEAD ~ Two nozzle parts} 13, 14 made of {TAIL ~ insulating material} are displaceably guided transverse to the axis of the housing 1 in the groove 11, provided in the insulating material element 8 
made of
{ HEAD ~ Two nozzle parts } 13 , 14 made of { TAIL ~ insulating material } are displaceably guided transverse to the axis of the housing 1 in the groove 11 , provided in the insulating material element 8
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH