Assertion: hammer's core | /r/HasProperty | formed
Facets:
value: by heating a bar of steel
type: MANNER
Source sentences:
text: If the hammer has a steel-core handle, the core is formed by heating a bar of steel, until it becomes plastic, and forcing it through an opening that has the desired cross-sectional shape.
text: If the hammer has a graphite fiber-reinforced core, the core is formed by gathering together a bundle of graphite fibers and pulling them through an opening that has the desired cross-sectional shape while epoxy resin is forced through the opening at the same time.