{HEAD ~ A flexible tube} leads from the chamber of 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 {TAIL ~ another window} 
{ HEAD ~ A flexible tube } leads from the chamber of 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 { TAIL ~ another window }
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