Official Answer
Answer
A cikin abubuwa masu laushi kamar filastik ko magnesium, mafi ƙarancin tsagi dole ne ya zama zurfi fiye da ƙayyadaddun ƙayyadaddun ƙarfe na ƙarfe don ƙara yanki mai ƙarfi. Zurfin $d$ an ƙaddara ta $d ≥ _x000c_rac{P imes KFS}{ ext{π} imes D imes S_s}$, inda $S_s$ shine ƙarancin ƙarfi na gidan. Bugu da ƙari, 'Edge Margin' (nisa daga tsagi zuwa ƙarshen shaft/bore) dole ne ya zama aƙalla $3$ sau zurfin tsagi don hana gazawar 'bushewa', inda kayan gidaje suka kasa a cikin tsarin mazugi mai ƙarfi. Masu aikin injiniya sukan yi amfani da zobba masu juyawa da yawa a cikin waɗannan lokuta don yada kaya a cikin wani wuri mai faɗi.
