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