● Zipangizo zodyetsera: zinthu zoti zilowetsedwe mu makina oyeretsera.
● Choyimitsa chophimba: Zinthu zomwe zili ndi tinthu tating'onoting'ono tokulirapo kuposa kukula kwa sefa mu sefa zimasiyidwa pazenera.
● Chitsulo chapansi pa sieve: Chida chokhala ndi tinthu tating'onoting'ono kuposa kukula kwa dzenje la sieve chimadutsa pamwamba pa sieve kuti chipange chinthu cha pansi pa sieve.
● Ma granules osavuta a sefa: ma granules okhala ndi tinthu tating'onoting'ono tochepera 3/4 ya kukula kwa dzenje la sefa mu zinthu za sefa ndi osavuta kudutsa pamwamba pa sefa.
● Kusefa tinthu tovuta: Tinthu tomwe tili mu sefa ndi tating'ono kuposa kukula kwa sefa, koma ndi tating'ono kuposa 3/4 ya kukula kwa sefa. Mwayi wodutsa mu sefa ndi wochepa kwambiri.
● Tinthu totsekereza: Tinthu tating'onoting'ono tomwe tili ndi kukula kwa tinthu tating'onoting'ono tokhala ndi kukula kowirikiza ka 1 mpaka 1.5 kuposa kukula kwa sefa yomwe ili mu sefa tingathe kutsekereza sefa mosavuta ndikusokoneza kupita patsogolo kwabwinobwino kwa njira yotsekerera.