Uyilo Idizayini ye-axle yokuqhuba kufuneka ihlangabezane nezi mfuno zisisiseko zilandelayo: 1. Umlinganiselo oyintloko wokuthomalalisa kufuneka ukhethwe ukuze kuqinisekiswe amandla angcono kunye noqoqosho lwamafutha emoto.2. Imilinganiselo yangaphandle kufuneka ibe yincinci ukuqinisekisa ukucocwa komhlaba okuyimfuneko.Ibhekisa ikakhulu kubungakanani be...
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