{TAIL ~ An interference} fit between cylindrical valve member 24b and valve seat 34 permits {HEAD ~ rotation} of cylindrical valve member 24b within valve body 24a, while providing a watertight seal therebetween 
{ TAIL ~ An interference } fit between cylindrical valve member 24b and valve seat 34 permits { HEAD ~ rotation } of cylindrical valve member 24b within valve body 24a , while providing a watertight seal therebetween
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