Li-basomi ba thepa - ho kenya sejana le ho laolla thepa, ho fokotsa nako le ho ntlafatsa nako ea tlhahiso. Sejana sa Weihua se koahetsoeng ho senyeha ha likepe tse tšoarellang ka sekepeng sa sekepe ho laolla 'me indasteri eohle ea thomello le ea metsing.
Li-coulters tsa ho li-coulter tsa mofuta oa li-changes tse loketseng li loketse lijana tse hahang bunk. Ba sebelisa sistimi ea hydraulic ho laola ho sisinyeha ha sejana. E kopantsoe le rammer ea Vibratory, e ntlafatsa haholo ho laolla katleho. Li arotsoe ka har'a li-plun-piling le li-plays tse le 'ngoe tse sa tsoakoang.
