Assertion: handsaw's blade | /r/CapableOf | back with steel
Facets:
value: to maintain rigidity
type: PURPOSE
Source sentences:
text: Back saws," so called because they have a thinner blade backed with steel or brass to maintain rigidity, are a subset of hand saws.
text: Back saws," so called because they have a thinner blade backed with steel or brass to maintain rigidity, are a subset of hand saws.