Dangane da radius na curvature, ana iya raba shi zuwa cikin HADBEY GADBE BARO DA KYAUTA HADISH. Long radius gwiwar gwiwar hannu yana nufin cewa radius ta curvatate daidai yake da 1.5 sau na m diamita na bututu, wato, r = 1.5d. Short radius gwiwar gwiwar yana nufin cewa radius ta curvature daidai yake da na waje daidai bututu na bututu, shine, r = 1.0d.