Assertion: cutter's number | /r/CapableOf | give rational reason
Facets:
value: sometimes
type: TEMPORAL
value: such as keeping the glass
type: OTHER
Source sentences:
text: A fair number of glass workers seem to use glass cutters without any form of lubricant, sometimes giving a rational reason for doing so (such as keeping the glass clean) but often the justification is absent or irrational.