| http://www.w3.org/ns/prov#value | - That is, referring to FIGS. 3, 4, and 5, the portion of the arm 20 other than the portion adjacent to the first hinge portion 22, may be moved apart from the recessed portion 21 of the main unit 13, and the arm 20 is raised by being rotated on the first hinge portion 22.
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