Alt: An alternating light has two or more colours successively, which may or may not be separated, if periods of darkness are greater than periods of light, then it is known as alternating flashing (AIt.
Isibane esisebenza endaweni yesinye sinemibala emibini okanye engaphezulu ephumeleleyo le ingenakho ukwahlulwa ukuba amaxesha obumnyama makhulu kunamaxesha okhanyo, ke yaziwa ngokuba isebenza endaweni yenye. (Alt)