{HEAD ~ The guide vane structure} 21 is pushed to a large extent into {TAIL ~ the die plate} 23 and is therefore in its blocking position which reduces the effective inlet flow cross section 
is pushed into
{ HEAD ~ The guide vane structure } 21 is pushed to a large extent into { TAIL ~ the die plate } 23 and is therefore in its blocking position which reduces the effective inlet flow cross section
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH