Assertion: manganese | /r/HasProperty | brittle
Facets:
value: very
type: DEGREE
value: for structural use on its own
type: PURPOSE
Source sentences:
text: Manganese is harder than the iron and is also very brittle.
text: Although manganese is too brittle for structural use on its own, alloyed to iron manganese produces a steel with improved rolling and forging qualities, strength, toughness, stiffness, wear resistance, hardness and hardening ability.
text: Manganese is a hard metal and is very brittle.
text: It is brittle and hard.