The valve 11 has {HEAD ~ a housing} 12 with {TAIL ~ a spring} 13 arranged in it 
with
The valve 11 has { HEAD ~ a housing } 12 with { TAIL ~ a spring } 13 arranged in it
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH