DZ-500-2S
Nthawi zambiri, makina odzaza chipinda chapawiri amachotsa mpweya wonse mkati mwa phukusi, kuti zinthu zomwe zili mkati mwachikwama zitha kusungidwa kwa nthawi yayitali.
Ndi zipinda ziwiri zomwe zimagwira ntchito mosinthana mosinthana, makina onyamula vacuum wa Double chamber ndiwothandiza kwambiri kuposa makina anthawi zonse a vacuum.