Assertion: pedestal trestle | /r/HasProperty | one person
Facets:
Source sentences:
text: For safety reasons the pedestal trestles must be reliably mechanically locked in the respective vertically adjusted positions and, in accordance with the present invention, the pedestal trestles are provided with a central locking mechanism which makes it possible to effect a series-wise vertical adjustment of the pedestal trestles by, for example, only one person.