Assertion: chisel's use | /r/HasProperty | recommended
Facets:
value: for working with stone
type: PURPOSE
value: during the sharpening process
type: TEMPORAL
Source sentences:
text: To avoid personal injury, the use of eye protection and gloves is recommended during the sharpening process and while using a chisel.
text: Still, its use is recommended for working with stone, cement, brick and other hard work pieces.