Complex sentence: A punkah is an early type of ceiling fan used in the Indian subcontinent before the creation of the electric fan and the punkhawallah was the servant whose job it was to work it, often using a pulley system.
Split into simpler sentences: A punkah is a type of ceiling fan used in the Indian subcontinent before the the electric fan. The punkhawallah was the servant who worked it, often using a pulley system.