Because springs 186 allow fluid extension ducts 182 to be axially displaced, fluid extension ducts 182 are always in contact with {HEAD ~ the underside} of {TAIL ~ top plate} 10 
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Because springs 186 allow fluid extension ducts 182 to be axially displaced , fluid extension ducts 182 are always in contact with { HEAD ~ the underside } of { TAIL ~ top plate } 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH