Izici:
Khulisa ukunambitheka okubabayo kanye nobukhulu besoso, thuthukisa ukunambitheka kwangemuva, futhi uthuthukise ukuceba kanye nobumnene bomkhiqizo ngesikhathi sokucubungula izinongo ezihlanganisiwe.
Ububanzi bokusetshenziswa: Ukudla okubabayo; isisekelo sebhodwe elishisayo; imikhiqizo yenyama; ukudla okulula
Isilinganiso sokwengeza: 0.5%-3%