Give reason for the following: (i) School bells are made up of metals

Give reason for the following:
(i) School bells are made up of metals.
(ii) Electrical wires are made up of copper.

(i) Metals are sonorous (produce sound on being hit), so - school bells are made up of metals.
(ii) Copper is a very good conductor of electricity. So, it is used for making electrical wires.