| http://www.w3.org/ns/prov#value | - If necessary, the tool body can carry an external rib 6 for limiting its engagement within the housing 4 so as to ensure that one of its two ends is located in an outwardly projecting position in order to constitute the working tool proper whilst the other end is placed within the housing 4 in such a manner as to ensure that the tool is perfectly held by the handle 1.
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