Answer
A yawancin majalisai, juriyar juriya na gidaje da abubuwan da aka riƙe na iya zama girma fiye da kewayon karkatar da ake so na magudanar ruwa. Ana amfani da faranti na Shim (bakin ciki, masu wanki) don daidaita tsayin aiki $H_w$. Idan nauyin da aka auna $P$ ya yi ƙasa da ƙasa, ana ƙara shim don ƙara matsa ruwan bazara. Alakar $P_{sabuwa} = k(f + t_{shim})$. Wannan ya zama ruwan dare a cikin madaidaicin madaidaicin fitunan gani inda ake buƙatar takamaiman 'ji' ko 'ƙarfin ƙarfi'. Shims kuma yana ba da taurin lalacewa, yana hana bazara daga tono kayan gidaje masu laushi yayin hawan keke.