Avid Armor USVX Ultra Series Chamber Vacuum Sealer Machine with 10" seal bar
Hard disk drive platter - Wikipedia
Amazon.com: 12V AC Power Adapter Supply Cable for Seagate External Hard Drive, HDD External Hard Drive, Seagate Srd00f2, Goflex Freeagent, WD Western Digital My Book External Hard Drive, 5FT Charger Cord :
First experiments with disc "vacuum" pump | Details | Hackaday.io