Flexibility
Flexibility of a substance is its ability to bend without fbreaking. The more flexible a substance is, the more force will be needed to bend it by a certain amount,without its breaking.
Electrical conductivity
Copper and aluminium are used to make electric wires because they can conduct electricity very well Plastics Electrical are used as coating for electric wires as they cannot conduct electricity well, and protect us from electric shocks Electrical conductivity of a material is a measure of bow readily electricity flows through the material.