| http://www.w3.org/ns/prov#value | - outwardly of and axially aligned with said first contact ring, said second contact ring being formed of an electrically conductive material and connected to asection of said housing other than the section to which said first contact ring is connected, said second contact ring having an annular side surface which faces radially inwardly toward and is coaxial with said radially outwardly facing side
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