Assertion: annealing | /r/HasProperty | method
Facets:
Source sentences:
text: Tempering is a method used to decrease the hardness, thereby increasing the ductility of the quenched steel, to impart some springiness and malleability to the metal.
text: Tempering and annealing are both methods of heat treating metal.
text: Tempering and annealing are both methods of heat treating metal.