Pump is the name given to a mechanical device used to transport liquids. It is also known as a pump or basak. It is the main equipment used in the transmission of fluid. Pumps are not of one type and model. Each one is made of special material according to the fluids they will deliver. If an acidic substance is to be used, the pump used to transfer acids is made of durable materials such as ebonite, lead, aluminum, iron. The pump material also varies according to the type of acid.