Assertion: rectangular ditch | /r/HasAspect | geometry
Facets:
Source sentences:
text: The other feather is that the penetration force of the excavator (especially frictional resistance and excavating force) is reduced by the use of slide cutter, and excavation of the ditch is effected such that a rectangular ditch having a geometry substantially equal to the longitudinal and lateral dimensions of the machine is formed, the cutting function of the slide cutter permitting the formation of ditch wall with high flatness.