Assertion: annealing's temperature | /r/CapableOf | lower the hardness
Facets:
Source sentences:
text: Higher temperatures lower the hardness.
text: While it varies depending on the metal type, generally, low temperatures will reduce brittleness while maintaining most of the hardness, while higher temperatures reduce hardness which increases elasticity and plasticity, but causes some yield and tensile strength to be lost.
text: Higher temperatures lower the hardness.