I-1.Tread formula yekhompawundi ibonelela ngokumelana nokunxiba okuphezulu, ukutsalwa okugqwesileyo kunye nokuqhobosha.
2. Umbambo olunzulu kunye nephethini yelug emxinwa inika ukutshatyalaliswa kobushushu obugqwesileyo, ukubamba umhlaba kunye nokuxhathisa okumanzi kwe-skid.
3. Ilungele izithuthi zomgama ophakathi kwindlela karhulumente kunye nohola wendlela.