This is a
High-Speed Self-Serve Shredder
available at grocery stores called...
You can shred a full file-box in 5 minutes and
50 sheets of paper at a time; plus CDs, floppy disks, staples, paperclips, full envelopes, & credit cards.
Shredding here instead of using a home shredder
has already saved 68,773 hours of work.