Assertion: gypsum | /r/HasProperty | cast into molds
Facets:
value: to immobilize broken bones
type: PURPOSE
value: for metal casting
type: PURPOSE
Source sentences:
text: This reaction is exothermic and is responsible for the ease with which gypsum can be cast into various shapes including sheets (for drywall), sticks (for blackboard chalk), and molds (to immobilize broken bones, or for metal casting).