The PET blasting machine in waste facilities pierces or punches a series of holes into PET bottles to collapse their structure and dramatically reduce their volume. This process prevents bottles from trapping air or re-inflating during handling, which helps maintain consistent material flow on conveyors and reduces the risk of blockages in downstream equipment. By decreasing the bulkiness of the bottles, the machine enables more efficient storage, increases bale density during compacting, and lowers transportation costs. It also improves the preparation of PET for subsequent cleaning, sorting, and processing stages in the recycling line.