| http://www.w3.org/ns/prov#value | - An inflating tube, b, provided with a suitable valve, is attached to the annular part A, and a similar tube, 0, is connected with the cushion B, so that either or both may be inflated, as may be required. 0 is a cover of rubber, cloth, or other suitable material, in the center of which a pocket, D, is formed, which is received by the cavity of the bed-pan.
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