Ulendo wakunja kwa msewu umafuna mawilo odalirika, ndipo opangidwa ndi alloy amakwanira bwino kwambiri. Njira yawo yopangira, pansi pa kutentha kwakukulu ndi kupanikizika, imakonza tinthu ta alloy alloy kukhala kapangidwe kolimba komanso kolimba. Izi zimapatsa mawilo mphamvu yolimbana ndi kugwedezeka, kuthana ndi kugwedezeka kuchokera ku miyala ndi mabowo bwino kuposa mawilo opangidwa ndi chitsulo, kuchepetsa zoopsa za kusinthika.
Chitsulo chomwe chimagwiritsidwa ntchito ndi champhamvu komanso chopepuka, pafupifupi 15%-20% chopepuka kuposa mawilo ofanana. Kulemera kochepa kosasunthika kumatanthauza kuigwira bwino, kuyankha mwachangu, komanso kukhala ndi nthawi yayitali yoyimitsidwa. Kukana kwake dzimbiri kumaisunga bwino m'matope ndi m'madzi.
Mwa kukongola, masipoko okhuthala amawoneka olimba ndipo amathandiza kuyeretsa mabuleki akamatsika motsetsereka. Mzere waukulu umateteza matayala bwino, ndikuyika matayala akuluakulu oyenda m'misewu yosiyanasiyana. Kukhazikitsa ndi kosavuta, kumagwirizana bwino ndi mitundu yodziwika bwino ya magalimoto oyenda m'misewu, zomwe zimathandiza kuti magalimotowo azikonzedwa mosavuta komanso kuti aziyenda bwino kuthengo.
Mwachidule, mawilo amenewa amaphatikiza mphamvu, kupepuka, ndi kalembedwe, kulimbitsa maulendo apanja ndi kudalirika.