In {TAIL ~ this regard}, {HEAD ~ the cross section} of the periphery of the housing 63 typifies a trapezoid while the dust bag cross section is maintained as a rectangle 
In
In { TAIL ~ this regard } , { HEAD ~ the cross section } of the periphery of the housing 63 typifies a trapezoid while the dust bag cross section is maintained as a rectangle
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH