Discards pill of is point by automatic means pill materical ( Steels pill of or sand grain) As very high speed and certain point of view discard shoot go work seemingly, Lets a pill of materical impact work surface, Then by form a complete set dust collector's airflow clean effect inside machine, Will be a pill of materical and clean up down 's impurity difference callback, And makes a pill of materical can again take advantage of 's technology. Machine withs dust catcher, Accomplish have not dust, Has no polution construction, Already enhances efficiency, And protects environment.