I-vials yeglasi yeglasi, ekwabizwa ngokuba yi-screw vials okanye i-screw i-vials ephezulu, zizikhongozeli ezincinci ezenziwe ngeglasi ezinesikrelemnqa. Ezi vils zihlala zisetyenziswa kwiilebhu zelebhu kunye nezinye iiseti zesayensi kugcino kunye nokuhamba kwesampulu engamanzi okanye i-powded.
I-vials yeglasi yeglasi, ekwabizwa ngokuba yi-screw vials okanye i-screw i-vials ephezulu, zizikhongozeli ezincinci ezenziwe ngeglasi ezinesikrelemnqa. Ezi vils zihlala zisetyenziswa kwiilebhu zelebhu kunye nezinye iiseti zesayensi kugcino kunye nokuhamba kwesampulu engamanzi okanye i-powded.