The invention relates to methods and apparatuses for transporting {HEAD ~ a flow} of {TAIL ~ air} and particulates through a vacuum cleaner 
of
The invention relates to methods and apparatuses for transporting { HEAD ~ a flow } of { TAIL ~ air } and particulates through a vacuum cleaner
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH