{HEAD ~ The switching valve} includes {TAIL ~ first, second and third ports} and a valve member controlling fluid flow between the ports 
includes
{ HEAD ~ The switching valve } includes { TAIL ~ first , second and third ports } and a valve member controlling fluid flow between the ports
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH