Ayyukan rufe bakin kwalbar gabaɗaya yana nufin aikin rufe bakin kwalbar da murfin. Rigar kwalban da kyakkyawan aikin hatimi na iya hana zubar gas da ruwa a cikin kwalbar. Don kwalabe na filastik, aikin rufewa shine muhimmin ma'auni don kimanta ingancin su. Wasu mutane suna tunanin cewa aikin rufe murfin kwalbar an ƙaddara ta zaren. A gaskiya, wannan ra'ayi ba daidai ba ne. A gaskiya ma, zaren ba ya taimakawa aikin rufewa na hular kwalban.
Gabaɗaya, akwai wurare guda uku na hular kwalbar waɗanda ke ba da damar rufewa, wato rufe hular kwalbar ta ciki, da rufe murfin kwalbar, da saman murfin kwalbar. Kowane wurin rufewa yana samar da adadin nakasu tare da bakin kwalban. Wannan nakasawa koyaushe yana yin wani ƙarfi akan bakin kwalbar, ta haka yana haifar da tasirin rufewa. Ba duk kwalabe za su yi amfani da hatimi uku ba. Yawancin kwalabe suna amfani da kawai hatimi ciki da waje.
Ga masu kera kwalban kwalban, aikin hatimin kwalabe abu ne da ke buƙatar ci gaba da saka idanu, wato, aikin rufewa yana buƙatar gwadawa akai-akai. Wataƙila yawancin masana'antun ƙaramin kwalban ba sa kulawa sosai ga gwajin hatimin kwalban. Wasu mutane Hanyar asali da sauƙi za a iya amfani da ita don gwada hatimin, kamar rufe hular kwalbar da yin amfani da matsi da hannu ko taka ƙafa don gwada hatimin.
Ta wannan hanyar, ana iya yin gwajin hatimi akai-akai yayin samar da kwalabe, rage haɗarin samar da ingancin hatsarori. Na yi imani wannan bayanin zai iya zama babban taimako ga masana'antar hular kwalba daban-daban. Dangane da buƙatun, buƙatun hatimi sun kasu kashi biyu masu zuwa, don haka ana aiwatar da ka'idodin rufe mu bisa ga buƙatu masu zuwa. Tabbas, masana'antar kwalliyar kwalban kuma na iya haɓaka ƙa'idodin gwajin dangane da aikin kwalabe.
Lokacin aikawa: Nuwamba-23-2023