... line in hi-tech automation, In general, brick making process divides to four processes, A. raw ... material treatment B. brick making,C.dryer for brick, D. firing for brick ... much of cost, also they will wear away the machinery parts. B. Brick making 1. Clay Feeding: Feeder ... the material after mixing to the vacuum extrusion brick-making machine, extrude high-density clay bar. 5. ...