Official Answer
Answer
Ƙarshen Shim, wanda kuma aka sani da 'ƙasassun lebur,' ana samar da su ta hanyar karkatar da rabin igiyar ruwa ta ƙarshe a kowane ƙarshen bazara mai juyawa da yawa. Wannan yana haifar da wurin tuntuɓar $360^{\circ}$ maimakon lamba lamba a kololuwa. Wannan yana da mahimmanci ga aikace-aikace inda bazara dole ne ya samar da matsa lamba iri ɗaya akan hatimi ko tseren ɗaukar nauyi. Yayin da ƙarshen shim yana ƙara tsayin tsayin $H_s$ da $2t$, suna rage lokacin 'tipping' sosai kuma suna tabbatar da cewa ana ɗaukar nauyin axially. Dole ne a daidaita lissafin ƙimar bazara saboda ƙarshen shim yana aiki azaman jujjuyawar da ba ta aiki, yana rage tasirin tasirin raƙuman ruwa.
