कंपोजिट की निम्नलिखित में से कौन सी विशेषता लागू भार के तहत विरूपण (deformation) का विरोध करने की क्षमता को संदर्भित करती है?

Match the following alloying elements with their effects on the properties of steel: A. Copper - (iii) Improves corrosion resistance but reduces ductility B. Nickel - (i) Improves impact toughness and cold brittle tendency C. Manganese - (iv) Increases strength but reduces weldability D. Aluminium - (ii) Increases strength Select the correct match:

Which of the following is NOT classified as a fundamental engineering property category of materials?