Inzululwazi yemvelo ingelinye lamagatsha esayensi aphathelene nencaziso, ukuqonda nokubikezela izimongotho zemvelo, ngokusekelwe ebufakazini obunamandla obuvela ezingqaphelweni nasemigcansweni . Izinyathelo ezifana nembuyekezo ecubungulayo nokuziphindaphinda kwemiphumela kusetshenziswa ukuqinisekisa ukuba yiqiniso kokuqombola kwenzululwazi.