In that steering mode, flow occurs from passage 90 across the registering valve lands 78 and 82 into radial passage 102, which communicates with {HEAD ~ the central passage} 54 of {TAIL ~ the inner valve element} 12 
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In that steering mode , flow occurs from passage 90 across the registering valve lands 78 and 82 into radial passage 102 , which communicates with { HEAD ~ the central passage } 54 of { TAIL ~ the inner valve element } 12
OTH OTH OTH OTH 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 HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH