Indawo ekhokelwa ngamanzi engangeni manzi nesitandi ziyathandwa zisetyenziswa egadini. Ukukhanya okukhokelwayo kwabeka indawo yokukhanyisela izityalo, ukwenza ukuba ngaphambili kwendlu, emva kwendlu kufudumale, kuva kamnandi.

Singumzi mveliso wase China wegadi ekhokelwa kukukhanya, evelisa iindlela ezininzi. wamkelwe ngokundwendwela iwebhusayithi yethu ngezitayile ezininzi.