Iki gikoresho gikoreshwa muburyo bwuzuye bwa tube / hose yihuta yo gukuramo kalibrasi, kugenzura neza vacuum +/- 0.1Kpa, impamyabumenyi ya vacuum irashobora guhinduka neza mu buryo bwikora.
Umukoresha wa nyuma arashobora guhitamo 4m / 6m / 8m yuburebure ukurikije tube / hose itandukanye.
Iwacuakarusho