Assertion: granite's surface | /r/HasProperty | finished flat
Facets:
value: extremely
type: DEGREE
value: with tolerances below 11.5
type: OTHER
Source sentences:
text: The surface plate is often used as the baseline for all measurements to a workpiece, therefore one primary surface is finished extremely flat with tolerances below 11.5 μm or 0.0115 mm per 2960 mm for a grade 0 plate.