1.Ku qalabaysan dhimista xuddunta, iyo nadiifinta ugu yar ee dhulka≥300mm kaas oo u dhigma taayirka 8.25R16;
2.Isticmaalka qufulo kala duwan oo giraangiraha dhexdooda ah, kuwaas oo lagu dabaqay waddooyin dhoobo ah oo si wanaagsan loo mari karo;
3.Nozzles saliidayn, oo aan loo baahnayn dayactirka dufan inta lagu jiro nolosheeda.