Umbhobho wombhobho ongu-0-degree usho ukuthi oketshezi olukhishwe ulayini oqondile we-cylindrical. Uhlobo lombhobho olunomthelela omkhulu kunayo yonke imibhobho. Ngenxa yesakhiwo sayo esikhethekile, lonke uketshezi olukhishwe kumbhobho we-0-degree lugxilwe ngasikhathi sinye, lungaba nomthelela omkhulu, kepha lokhu kuzodela ukumbozwa kombhobho.

Kubukeka sengathi umlomo wombhobho ongu-0-degree uyinqubo elula yokukhiqiza yemibhobho yonke, kodwa empeleni akunjalo, ngoba ezinye izinguquko zobukhulu kweminye imibhobho ngeke zibe nomthelela omkhulu kumphumela wesifutho, kepha uma ukwenziwa Umbhobho wombhobho ongu-0-degree awudingeki njengoba ukuqaliswa okuqinile kuzoba nomthelela omkhulu kumphumela wesifutho.

Into ethonya kakhulu umbhobho ukumelana noketshezi ngaphakathi kombhobho, okungukuthi, ukushelela kodonga lwangaphakathi lombhobho. Uma udonga lwangaphakathi lumangele kakhulu, noma ukwakheka kwangaphakathi kungahambisani nemishini eketshezi, umthelela wendiza ketshezi uzoncipha kakhulu, ongabonakala ngamehlo Awuphumi, kepha ungalinganiswa ngokunembile ngemishini.