Iivillas zekhonteyina engaselwandle ziivillas ezakhiwe nge-ISO izikhongozeli ezintsha zokuthumela kwaye zihlala zisetyenziswa kwiindawo ezisecaleni kolwandle okanye kwiindawo ekuchithelwa kuzo iiholide. Ivumela abantu ukuba babe namava okuphila okukhethekileyo ngelixa besonwabela imbonakalo yolwandle. Kwangaxeshanye, le fomu yoyilo ikwahambelana nokusukela abantu bangoku kukhuseleko lokusingqongileyo kunye nendlela elula yokuphila, idibanisa isitayile semizi-mveliso yanamhlanje kunye neengqikelelo zokhuseleko lokusingqongileyo, ngoko ke iye yatsala ingqalelo enkulu.