Поставить два вопроса к каждому из предложений 1) The property of metals (or an alloy) to exert forces is called magnetism.
2) Hardness may be defined as resistance to deformation.
3) The strength of a material is the property of resistance to external loads or stresses without incurring structural damage.
4) The temperature at which a metal melts is called its melting point.
5) Toughness is the property of absorbing energy before fracture.

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