Ngaphambi kokufaka i-oda
-Iphutha lokulinganisa alinakugwenywa njengoba imikhiqizo yethu yenziwe ngezandla,
Uma udinga umkhiqizo onezilinganiso ezinembile, sicela usithinte kuqala.
-Umbala wezithombe zethu ulungiswa umqaphi onguchwepheshe ofana nomkhiqizo wangempela.Nokho, ukushintshashintsha kwechromatic bekukhona ngenxa yamadivayisi ahlukene wokubonisa.Uma unesidingo esiqinile sombala, sicela usithinte kuqala ukuze uqinisekise umbala.