Swifafazeri swa matimba i switirhisiwa swohambana hambana leswi tirhisiwaka eka switirhisiwa swohambana hambana, kusuka eka ku basisa na ku basisa kuya eka vulawuri bya switsotswana na ku penda. Ku twisisa matirhelo ya tona, switirhisiwa, na swipimelo i swa nkoka swinene eka ku hlawula xifafazeri lexi faneleke eka swilaveko swa wena na ku swi tirhisa hi ndlela leyinene.
Emisaveni ya manguva lawa ya ku endla ntanga na nhlayiso wa byanyi, ku cheletiwa loku tirhaka kahle i ka nkoka swinene kutlula rini na rini. Hiku vilela loku yaka emahlweni mayelana na nhlayiso wa mati xikan’we naku navela ka byanyi lebyi tlhumeke, lebyi hanyeke kahle na tijarateni, xiphemu xin’wana na xin’wana xa sisiteme yo cheleta xifanele ku hlawuriwa hi vukheta naku hlayisiwa. Exikarhi ka ESS yo tala .
Emisaveni ya namuntlha ya ku basisa ehandle ni ku hlayisa, switirho swimbirhi swi humelela hi ndlela leyinene ni ku tirha kahle ka swona: muchini wo hlantswela ntshikelelo ni xifafazeri xa gezi.