Izinkonzo zamazwe ngamazwe zokudlulisa impahla
Ukuhlinzeka ngezinsizakalo zezokuthutha zasolwandle, ezomhlaba, zezindiza kanye nokugunyazwa kwempahla ehlobene, umshwalense, indawo yokugcina impahla kanye nezinye izinsiza, ukuze kuhlinzekwe amakhasimende izixazululo zezindawo zomhlaba jikelele ze-stop.