Assertion: harrow's teeth | /r/HasProperty | designed for use
Facets:
value: around roots
type: LOCATION
value: in rough, stony ground
type: LOCATION
Source sentences:
text: Spring-tooth harrows (developed in the 1860s) have curved, springy teeth designed for use in rough, stony ground and around roots.
text: Spring-tooth harrows (developed in the 1860s) have curved, springy teeth designed for use in rough, stony ground and around roots.