Assertion: calcium oxide | /r/ObjectUse | used in glass production
Facets:
Source sentences:
text: Lime is also used in glass production and its ability to react with silicates is also used in modern metal production (steel, magnesium, aluminium and other metals) industries to remove impurities as slag.
text: Lime is also used in glass production and its ability to react with silicates is also used in modern metal production (steel, magnesium, aluminium and other metals) industries to remove impurities as slag.