Indhala'aannada ayaa ah mid aan lahayn bir-qabad la'aan (god ama furitaan) waxaana laga heli karaa labada wejiga kor loo qaaday In kasta oo noocyada badankood ee la qalalaan ay u saamaxdo xasaasiyad u oggolaaneysa qulqulka dareeraha, gaaska, ama hawo-mareenka, indhoolayaasha, ama indhoolayaasha waxaa loo isticmaalaa in lagu xidho dhamaadka nidaamka tuubbada oo looga hortago qulqulka. Flanganada indha la 'ayaa la istcimaali karaa markii la imtixaanaayo cadaadiska tuubbada, si loo abuuro dhibic marin u helka nidaamka tuubbada, si aad si ku meel gaadh ah u dejiso nidaamka tuubbada inta aad wax ka beddeleyso ama hagaajinta khadka, ama aad u abuurto shaabad waqti-dheer si loo joojiyo nidaamka tuubbada.