Assertion: maul's force | /r/HasProperty | necessary
Facets:
value: to dislodge a trapped object
type: PURPOSE
Source sentences:
text: Sledgehammers are also used when substantial force is necessary to dislodge a trapped object (often in farm or oil field work), or for fracturing concrete.
text: Sledgehammers are also used when substantial force is necessary to dislodge a trapped object (often in farm or oil field work), or for fracturing concrete.