{TAIL ~ The sleeve extension} 151 has a free end 155 located in the region of {HEAD ~ the outlet} apertures 152 
{ TAIL ~ The sleeve extension } 151 has a free end 155 located in the region of { HEAD ~ the outlet } apertures 152
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH