| http://www.w3.org/ns/prov#value | - mn provided with its resilient element to a substantially vertical position above a recess formed in the base, driving the foot of the column into the said recess, in particular by ballasting the column, until the entire resilient element has moved past an inwardly projecting edge of the said recess, and, exerting an upward force on the said column, notably by deballasting the same, to allow the s
|
