Ukuba ukuKhanya okuBubungqina bokudubula kuphukile, Ndingayitshintsha ngenye iBhulbhu yokuKhanya

Inyaniso, Izibane ezingagqabhukiyo azikho malunga nebhalbhu ukuba ingaqhushumba; iibhalbhu zisesemgangathweni.

Nokuba i-incandescent, ukonga amandla, uqhelaniso, okanye izibane ze-LED, ziyimithombo nje yokukhanya kwaye azikho ubungqina bokudubula ngokwemvelo. Zigcinwe ngaphakathi kweglasi engqindilili, eyahlula ibhalbhu emoyeni, ukuthintela ukuba ibhalbhu ingaqhekeki kwaye ibangele imililo okanye uqhushumbo.