1. Umthamo omkhulu, uyilo oluneeleya ezininzi, olufanelekele iintlobo ngeentlobo zokugcina iimveliso kunye neziganeko ezahlukeneyo 2. Kukho ii-guardrail ecaleni ukuthintela izinto ukuba zingawi 3. Yomelele kwaye ihlala ixesha elide, ineedrowa zokugcina izinto kunye neetafile 4. Enye yezona mveliso zibalaseleyo zokukhuthaza ishishini lakho lemveliso yasekhitshini