| http://www.w3.org/ns/prov#value | - a pair of diverging legs extending from one end of the shank, the axis of the shank extending between the axes of the legs and forming an angle a with the axis of one of said legs, the combination wit-h said shank of: a conduit; and a swivel joint at the other end of said shank, including structure on said other end presenting an offset mouth having an axis forming a predetermined angle less than
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