Due to the larger outside diameter of the body portion of {HEAD ~ the bullet} means 44 than {TAIL ~ the inside diameter} of the inlet 30, the bullet means 44 frictionally engages the inside wall of the inlet 30 to substantially block the internal passageway 60 of the inlet 30 
Due to the larger outside diameter of the body portion of { HEAD ~ the bullet } means 44 than { TAIL ~ the inside diameter } of the inlet 30 , the bullet means 44 frictionally engages the inside wall of the inlet 30 to substantially block the internal passageway 60 of the inlet 30
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH