| http://www.w3.org/ns/prov#value | - Owing to the distance between tongues 40 and 41, end 52 on the latter cooperates with projecting portion 14 in such a manner as to produce, on account of the inclined surface defined by surfaces 54 and 55, an upward movement of part 3 as the latter is inserted, in the direction shown by the arrow in FIG. 4, inside part 2, thus bringing part 3 into the slanting position shown in FIG. 4.
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