| http://www.w3.org/ns/prov#value | - The tubular body 12 of embodiment 1 is defined by walling or plates of rigid or semi-rigid material such as of plastics or metal molded, cast or otherwise suitably formed, and in another embodiment labeled embodiment 9 in FIGS. 25 and 26 the tubular body 12 is formed of stiff resilient coiled metal wire (wire formed) helically formed, and defines the elongate tubular body 12 with passage through w
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