Assertion: manganese | /r/HasProperty | irreplaceable
Facets:
Source sentences:
text: Manganese is essential and irreplaceable in steelmaking, and its global mining industry is dominated by just a few nations.
text: Although the amount of manganese consumed to make a ton of steel is small, ranging from 6 to 9 kilograms, it is an irreplaceable component in the production of this fundamental material.