{HEAD ~ The fluid}, in turn, may be conducted away from {TAIL ~ the window} by a pump, for example, and its flow may be regulated by a valve 
conducted away from
{ HEAD ~ The fluid } , in turn , may be conducted away from { TAIL ~ the window } by a pump , for example , and its flow may be regulated by a valve
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH