Grades the cereal products according to their weight. It is also used fort he seperation of the seeds of wheat barley and corns. Since the vibration air sucking table covered with polyester the machine works without any dust.Since the vibration table is placed on springs the vibration of the machine dees not pass through the ground.To operate and regulate the machine is simple and easy.There are additional pieces on the machine such as air regulator regulator for the flowing materials and measurement system for sucking.