Izinhlelo zokusebenza
▪ Uchungechunge lwevalvu yesampula ye-aseptic kufanele yenze ukucubungula inzalo (SIP) ngaphambi nangemuva kokusampula isikhathi ngasinye.I-medium ivalwe nge-diaphragm ngokuqondile, akukho ukugqwala kwe-pitting futhi kulula ukuyihlanza nokuthatha amasampula nganoma yisiphi isikhathi esisetshenziswa kakhulu emkhakheni wokuphuza utshwala, ukuphuza utshwala, ubisi kanye nekhemisi.