____ is a softness present in some materials, such as copper and aluminum, that permits them to be formed by stretching (drawing) or hammering without breaking. Wire is made of ductile materials that can be drawn through a die.____ is a characteristic of metals that will not stretch without breaking, such as cast irons and hardened steels. ____ is the ability of a metal to be rolled or hammered without breaking.____ is the ability of a metal to resist being dented when it receives a blow. ____ is the property of being resistant to cracking and breaking while remaining malleable.____ is the ability of a metal to return to its original shape after being bent or stretched.

Mechanical Properties of Materials

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