Short Bayani:

Takalmin katakon karfe ya dace da rufin bango da katangar karfe mai aikin injiniya. Mikewa gaba daya yana nufin karafan karfe wanda ke hada tsarkakakken karfe, watau sandunan karafa masu kara karfi, don bunkasa daidaiton tsarkakakkun abubuwa sannan a sanya purlins din su zama masu saurin rashin kwanciyar hankali da lalacewa a karkashin wasu karfi na waje. Akwai takalmin katako (watau lankwasawa na digiri 45 a zaren dunƙule) da madauri madaidaiciya (ma'ana duka madaidaici ne). Bayan magani mai narkewa, ana samun tasirin antirust.