Jonga isikhokelo esibanzi kwii-vials zescreen, ezigubungela izinto ezinjengeglasi ye-borossilicate, imigaqo-nkqubo iquka intambo ye-22-400 yokugqiba, kunye nokusetyenziswa kwesampulu yohlalutyo lwe-radious, kunye nophando lwendalo.