An yi shi da babban ƙarfe na carbon, ƙugiya tana da tsayi, tip ɗin ƙugiya yana da kaifi, juriya na lalata yana da ƙarfi, kuma yawan ciyarwar kifi yana da yawa.An ƙera ƙugiya mai ƙugiya bisa ga ka'idar inji don kare rikici tsakanin layi da saman ƙugiya, wanda ya rage girman yiwuwar fashewar zaren kuma yana da kwanciyar hankali.Kowane ƙugiya mai kaifi yana goge har sau da yawa don tabbatar da kaifin ƙugiya, wanda zai iya cimma tasirin saurin shiga cikin sauri da zurfin shigar ciki.A cikin yanayin rashin ƙara layin ƙugiya da nauyin jikin ƙugiya, ana yin ƙugiya ta tsayin daka sosai.