Answer
'Tafiya' gazawa ce inda zoben a hankali ke fita daga cikin tsagi, sau da yawa ba tare da karya a zahiri ba. Abubuwan farko sune: 1) Babban girgizar axial mai girma wanda ya zarce juzu'in wurin zama na zobe, 2) Tasiri ko 'shock' lodi wanda ke haifar da zoben don ɗan lokaci kaɗan kuma ya rasa riko, da 3) Matsanancin 'radiused' ko 'chamfered' sassan mating waɗanda ke amfani da sashin ƙarfin radial. Don warware matsalar, injiniyoyi yakamata su duba murabba'in tsagi da ɓangaren mating, kuma suyi la'akari da ƙara 'manne' zoben ta hanyar rage ID ɗin da aka ƙera na zoben don aikace-aikacen waje.