Generally, a brick making machine is a machine that produces bricks using electrical vibration and hydraulic pressure. These machines are produced in different types with different automation levels and capacities.Fly Ash bricks are made of fly ash, lime, gypsum and sand. The raw materials are blended in desired proportions in a Pan mixer for 4-5 minutes and compressed. They undergo curing for a minimum of 14 days and are then air dried for 7 days. Strength of these bricks can be engineered by varying the compositions.