Answer
Rashin zagaye (ovaality) yana haifar da magudanar igiyar ruwa don yin matsi mara daidaituwa ga fuskar hatimi. Ta hanyar lissafi, nauyin $P$ ya zama aikin angular matsayi $\theta$, i.e., $P(\theta)$. Wannan yana haifar da rashin daidaituwar lalacewa ta hatimin carbon kuma a ƙarshe zuwa yayyo. Wannan yawanci lahani ne na masana'anta ko sakamakon rashin kulawa. Don famfo na centrifugal mai sauri, muna ƙididdige matsakaicin matsakaici (misali, 0.1 mm) kuma muna amfani da maɓuɓɓugar ruwan raƙuman ruwa wanda, saboda ci gaba da murɗa shi, a zahiri yana kula da mafi kyawun madauwari kuma yana ba da ƙarin kaya iri ɗaya fiye da maɓuɓɓugan ruwa da aka tattara su da yawa.