Answer
Tashin hankali yana faruwa a cikin maɓuɓɓugan raƙuman ruwa yayin da jujjuyawar ke zamewa da juna yayin dannewa. Bayan shigarwa, man shafawa da aka yi amfani da shi (misali, molybdenum disulfide ko man inji mai haske) yana taka muhimmiyar rawa. Idan an shigar da bazara a bushe, jujjuyawar tsaka-tsaki na iya haifar da bazara don 'daure', wanda ke haifar da babban nauyi na farko fiye da ƙididdiga ta $ P = K f$. A lokacin zagayowar farko (lokacin 'kartawa'), jujjuyawar za su daidaita. Injiniya yakamata su saka zagayowar 'wanda aka riga aka saita' inda aka matse ruwan bazara zuwa tsayin aikinsa sau 3-5 kafin auna nauyi na ƙarshe. Wannan yana tabbatar da cewa rikice-rikicen tangential yana daidaitawa kuma bazara yana ba da daidaiton ƙarfi a cikin taron.
