Semi auto brick factory natural dry

The process includes brick machines + manual stacking bricks + natural dry + hoffman kiln.the auto brick machines are to crush clay ,mix clay extruder wet bricks.and then workers manual stack wet bricks on to Drying plant,after natural dry,we need the second stacking  in the hoffman kiln from the dryer plant.the last step is to  fire in the hoffman kiln.the whole number of workers is 30-55.