I-vials ye-screw i-vials kunye ne-CAPS ibonelela ngobukhulu obuphantsi, ukuziphindezela, ukwenzakala ngesandla ngexesha lokukhohlisa kune-crmil tals kwaye kufuna izixhobo ezizodwa. Zonke ii-vials ze-vials ze-screws kunye ne-CAPS zahlulwe yintambo yazo njengoko zichaziwe kwiZiko lokuPhathiswa zeGlasi, i-GPI. Kwi-vials ye-vials yentambo, inani elibini labelwe. Umzekelo, ukugqitywa kwentamo yesi-8-425 kubonisa i-vial enobubanzi obuyi-8 mm ngaphaya kwemisonto kunye nesitayile se-425. I-CAPS ye-TAPS ibiza kakhulu amatywina e-crimp.