Ngeminyaka yesipiliyoni ekukhiqizweni kophahla lweselula open operance , mecanmed lungahlinzeka ngezindlela eziningi zophahla lweselula olukhanyayo . ukukhanya kophahla kophahla lungahlangabezana nezicelo zethu zokusebenza ngesikhathi esifanele mayelana nophahla olusebenzayo lweselula mayelana nokukhanya kophahla lweselula . Ngaphezu kohlu lomkhiqizo olungezansi, ungaphinde wenze ngokwezifiso ukukhanya kwakho okuhlukile kophahla lweselula ngokuya ngezidingo zakho ezithile.