{HEAD ~ A flexible tube} leads from the chamber of the heat exchanger to {TAIL ~ the nozzle} manifold and, thence, to the nozzle or nozzles for delivery of steam and heated liquid to the windshield, to another window 
leads to
{ HEAD ~ A flexible tube } leads from the chamber of the heat exchanger to { TAIL ~ the nozzle } manifold and , thence , to the nozzle or nozzles for delivery of steam and heated liquid to the windshield , to another window
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH