{HEAD ~ Foam} will be injected through {TAIL ~ a nozzle} situated in the upper mould half 
injected through
{ HEAD ~ Foam } will be injected through { TAIL ~ a nozzle } situated in the upper mould half
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH