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Kubbada Adag ee banaan
Kubadaha adag ee kubbadda bannaan waxaa loogu talagalay samaynta kubbadaha valve adag kuwaas oo ay sameeyaan dhammaan noocyada birta la been-abuuray. -
Kubbada Madhan
Kubadaha bannaan ee valve valve waxaa loogu talagalay samaynta kubbadaha waalka bannaan kuwaas oo lagu sameeyo saxan bir ah oo gariirad alxan leh ama tuubooyinka birta aan fiicnayn. Kubadda godan waxay yaraynaysaa culayska dusha wareega iyo kursiga valve sababtoo ah miisaankiisa fudud, kaas oo gacan ka geysanaya kordhinta nolosha adeegga kursiga valve.