Official Answer
Answer
Maɓuɓɓugan igiyar igiyar ruwa suna faɗaɗa radially yayin da ake matsa su daga tsayin su kyauta zuwa tsayin aikinsu. An bayyana wannan faɗaɗa ta hanyar dabara $\Delta D \ kimanin 0.02 \cdot \ frac{(L_f - L_w) \cdot t}{N}$, inda $L_f$ shine tsayin kyauta kuma $L_w$ shine tsayin aiki. Idan an shigar da bazara a cikin rami tare da ƙarancin izini, diamita na waje (OD) zai ɗaure da bangon gidaje. Wannan ɗaure yana haifar da juzu'i mai yawa, wanda ke bayyana azaman ƙimar bazara sama da ƙididdigewa kuma yana haifar da lalacewa ko 'damuwa'. Don bazarar Crest-to-Crest, yana da mahimmanci don ƙididdige matsakaicin OD a tsayin tsayi $H_s$ don tabbatar da cewa ya kasance ƙasa da ƙaramin diamita $D_b$ a duk faɗin iyakar aiki.
