Assertion: calcium oxide | /r/CapableOf | make purify
Facets:
Source sentences:
text: Calcium oxide is used to make paper, pottery, food, and to purify water (make it good to drink.)
text: Calcium oxide is used to make paper, pottery, food, and to purify water (make it good to drink.)
text: Calcium oxide is used to make paper, pottery, food, and to purify water (make it good to drink.)