Izici:
Iphunga layo eliphekiwe linokunambitheka okucebile kanye nokunambitheka kwenyama okuhlala isikhathi eside, futhi lifanele zonke izinhlobo zemikhiqizo ephekiwe kanye nokudla okulula okulula.
Ububanzi bokusetshenziswa: isimo; umkhiqizo wenyama
Isilinganiso sokwengeza: 0.5%-3%