Tsamba lolimba la pulawo
Thirakitala ya mawilo anayi monga gwero lalikulu lamagetsi, imagwira ntchito mofanana ndi nthaka, kudula ndi kukweza mbewu, nthawi yomweyo imasunga nthaka pamwamba pa nthaka.
Nsonga zoonda komanso zazitali zimatha kudula nthaka yolimba ndikuiphwanya.
Kusankha zinthu: 65Mn, 60Si2Mn, 30MnCrB5, 38MnCrB5.
Kulimbitsa ndi kulimbitsa, kupewa kusintha ndi kusweka, HRC38-45.




