RELONG wheel head ndi chida chothandiza kwambiri pobowola zida zosiyanasiyana.Zida zabwino kwambiri zodulira, kutulutsa kosalekeza mbali zonse ziwiri za swing, komanso kusakhalapo kwathunthu kwa blockage kumatsimikizira kupanga kwakukulu.Kachulukidwe kokwanira kaphatikizidwe, kutayikira kochepa komanso kusamva bwino kwa zinyalala monga miyala ndi zitsa zamitengo zimathandizira kuti ntchitoyo ikhale yabwino.Gudumu la dredging litha kuwoneka ngati chida choyesedwa bwino komanso chopangidwa mwaluso kwambiri chamtundu wake, komanso chomwe chili chabwino kwambiri pokwaniritsa zomwe zikuchulukirachulukira m'mafakitale aku migodi ndi alluvial.