Isixazululo esihlukile sokugcina amapuleti okulinganisa isisindo, indawo encane ivumela izinguquko zesimo eziguquguqukayo ngenkathi kugcinwa ukuhambisana nezinhlobo ezahlukene zamapuleti okulinganisa isisindo. Ngenxa yochungechunge olunamandla lokuhlinzeka kanye nokukhiqizwa kwe-DHZ, isakhiwo sohlaka lwemishini sihlala isikhathi eside futhi sinewaranti yeminyaka emihlanu.
