Izici: Zokuxhuma amapayipi, amapayipi, amapayipi namathangi athutha uketshezi, impuphu kanye nomhwamuko,
okuhlanganisa amanzi apholile, amafutha, amakhemikhali, izimonyo,
Umsebenzi: Indlela engabizi, elula neyongayo yokudlulisa uketshezi nemikhiqizo eyomile.
Zitholakala ngezinto ezahlukene kanye nosayizi ukuze zivumelane nezinhlelo zokusebenza eziningi










