In one condition of {HEAD ~ valve} 208, the discharge of hose 228 is directed to hose 228a and in another condition of valve 208, the discharge of {TAIL ~ hose} 228 is directed to hose 228b 
In one condition of { HEAD ~ valve } 208 , the discharge of hose 228 is directed to hose 228a and in another condition of valve 208 , the discharge of { TAIL ~ hose } 228 is directed to hose 228b
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH