Iityhubhu zegazi ezilahliweyo, ezikwabizwa ngokuba zii-vauum zegazi, zidlala indima ebalulekileyo kwicandelo lezonyango lokuqokelela kunye nokugcina iisampulu zegazi. Inkqubo yemveliso yezi tyhubhu yinkqubo yenkqubo ye-mecieus neyimfuneko eqinisekisa ukhuseleko nokuchaneka kwengqokelela yegazi. Kweli nqaku, siza kuhlolisisa inkqubo yokwenziwa kwemveliso yokuqokelelwa kwegazi elihlangeneyo.
Ukuveliswa kweetyhubhu zegazi ezilahliweyo kuqalisa kumzi-mveliso, apho izinto ezingafunekiyo ezinje ngeplastiki, iindawo zokugcina iirabha, kunye neezongezo zikhethwe ngononophelo kwaye zihlolwe umgangatho. Ezi zixhobo zenziwa kwaye zibunjwe kwaye zibunjwe zikwimo yetyhubhu, ilandelayo isikhokelo esingqongileyo ukuze sifezekise imigangatho yeshishini.
Nje ukuba iityhubhu zisenziwa, zisenkqubo yokuzibulala ukuze iphelise nayiphi na into engcolisayo kwaye iqinisekise ubunyulu beesampulu zegazi eziqokelelwe. Eli nyathelo libalulekile ekuthinteleni umngcipheko wokosulelo kunye nokugcina ingqibelelo yeesampulu.
Okulandelayo, iityhubhu zihlanganisene nezityholo zokuphumla kunye neendawo zokugcina irabha, ukudala imeko etywiniweyo yokuqokelelwa kwegazi. I-vacuum ngaphakathi kwetyhubhu inceda ukutsala igazi kwityhubhu ngokufezekileyo nangokuchanekileyo ngaphandle kwesidingo soxinzelelo olongezelelweyo okanye i-cuscoction eyongezelelweyo.
Emva kwendibano, iityhubhu ziyahlolwa nasiphi na isiphene okanye ukungafezeki okunokulalanisa intsebenzo yabo. Amanyathelo olawulo esemgangathweni akwindawo yokuqinisekisa ukuba kuphela iityhubhu ezivela kwimigangatho ephezulu kuthunyelwa ngaphandle ukuze zithunyelwe.
Ukuqukumbela, ukuveliswa kwe-tubes elahlekileyo yegazi yinkqubo echanekileyo kunye nenkqubo efanelekileyo efuna ingqwalaselo kwiinkcukacha kwaye ukubambelela kwimigangatho esemgangathweni. Ezi tyhubhu zidlala indima ebalulekileyo kwicandelo lezonyango, qinisekisa ukuqokelelwa okukhuselekileyo nokuchanekileyo kweesampulu zegazi kwiinjongo zokuxilonga. Ngokuqonda inkqubo yokuphucula iityhubhu zegazi, sinokuyixabisa imizamo kunye nokukhathalela okungena ezixhobo zezonyango ziyimfuneko.