I-11 mm varim i-villar sisixhobo esisetyenziselwa ukutywina okanye i-crimp alrintom ityhefu kwi-11 mm vials. Ezi vils zihlala zisetyenziswa kwizicelo zeChromatography, ezinjenge-HPPC (i-chromatography ye-chromatography) okanye i-GC (i-chromatography), i-chromatography yesampulu yesampulu ye-vial ye-vial ukwenza itywina ne-airtight.