Assertion: pyrrhotite | /r/ObjectUse | used for residential foundations
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Pyrrhotite is the suspected cause of concrete durability issues found in the northeast U.S. (Conn.), primarily used for residential foundations.
text: Pyrrhotite is the suspected cause of concrete durability issues found in the northeast U.S. (Conn.), primarily used for residential foundations.