$2($a$)$ Energy consumption has increases rapidly over the years and Malaysia$$s industrial and commercial sectors contribute more than $50$ per cent of the country$$s energy consumption. Industrial and commercial sectors are highly dependent on electrical systems such as motors, air conditioning, lighting and pumps to operate efficiently.

Describe THREE factors that contribute to the increase in energy and suggest THREE major mitigation methods that can be conducted to improve the energy efficiency mentioned, consumption due to:

i$.$ Lighting

ii$.$ Electric motors