Each channel section has a connection mechanism along at least one side such that the two channel sections are joinable to form a substantially tubular conduit which has a smooth interior surface, reducing {HEAD ~ friction losses} to {TAIL ~ the airflow speed} of the dryer exhaust 
to
Each channel section has a connection mechanism along at least one side such that the two channel sections are joinable to form a substantially tubular conduit which has a smooth interior surface , reducing { HEAD ~ friction losses } to { TAIL ~ the airflow speed } of the dryer exhaust
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