| http://www.w3.org/ns/prov#value | - Other mechanisms may be utilized to couple the semi-cylindrical components 501 to one another, including alternate mechanical fittings, welding techniques, or other mechanisms that will be readily recognized to those of skill in the art. [0032] In those embodiments wherein the adjustment switch 106 is a sleeve adjustment switch, the friction between the adjustment switch 106 and the housing 101 ma
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