Assertion: locust's thorn | /r/ObjectUse | used as nail
Facets:
value: in the past
type: TEMPORAL
Source sentences:
text: In the past, the hard thorns of the younger trees were used as nails and the wood itself was used to fashion treenails for shipbuilding.
text: In the past, the hard thorns of the younger trees were used as nails and the wood itself was used to fashion treenails for shipbuilding.