{HEAD ~ The two discharge sides} of {TAIL ~ valve} 208 are connected to a front hose 228a and to the back hose 228b 
{ HEAD ~ The two discharge sides } of { TAIL ~ valve } 208 are connected to a front hose 228a and to the back hose 228b
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH