1, matla a phahameng a alloy harrow foreimi ea tšepe, e netefatsang ts'ebetso e ntle ea mochini oohle, e bobebe ebile e ka tšeptjoa.
2, Matsoho a Harrow a entsoe ka mokhoa o nepahetseng ka foromo e le 'ngoe, a theha sekhutlo se phethahetseng sa ts'ebetso ka mahare a thata, a netefatsa ts'ebetso e tsitsitseng ka mejaro e boima ka lebelo le holimo ntle le ho kheloha ka lehlakore.
3, Matsoho a Harrow a sebelisa mokhoa o ikemetseng oa ho fanyeha, moralo oa khokahano oa elastic, ho fihlela ts'ireletso e ngata haholo, le litlamorao tse ntle tsa ho theola mobu.
4, lirolara tsa khatello ea meno tse matla tse phahameng, tse fanang ka phello e ntle ea ho silakanya mobu, ho lekanya le ho kopanya.
5, Matla a phahameng a matla a marang-rang le li-bearings tse se nang tlhokomelo, tse loketseng bakeng sa ts'ebetso e boima, e sa sebetseng, e tšoarellang, le tekanyo e tlaase ea ho hlōleha; lihlopha tsa harrow li tsitsitse ka mokhoa o ts'oanang, li fana ka litlhaka tse ntle tse bolaeang, ho fetola mobu, le liphello tse koahelang.
6, Mokhoa o ikhethileng oa ho phutha, ho netefatsa hore bophara ba mochini oohle bo kopana le litlhoko tsa lipalangoang, ho bonolo ebile ho potlakile ho sebetsa.
Lekola moo litharollo tsa rona li ka u isang teng.