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