Kwizicelo zokutyela, iimfuno zokuguquguquka kweemveliso ziphezulu kunezo zikwezinye iindawo. Indawo yokutyela ephakathi inokufuna abantu aba-2-8, kodwa kukwakho nezinye iindawo zokutyela ezifuna indawo enkulu, enokufuna abantu abangaphezu kwe-10.
Ke sineemveliso ezinobungakanani obahlukeneyo kunye noyilo lokuhlangabezana neemfuno zeendawo zokutyela ezahlukeneyo. Ubukhulu bethu bubandakanya i-2m, 2.6m, 3m, 3.6m, 4m, 4.9m kunye ne-6m, wamkelekile ukukhetha ubungakanani obuthandayo.