Isetshenziswa kabanzi emikhiqizweni efana namapuleti okusabalalisa ukukhanya, amapuleti okuqondisa ukukhanya ngemuva - izinhlelo zokukhanya kanye namabhodi okukhangisa, kanye namashidi abonakalayo njengalawo amakhabethe okubonisa, ama-elekthronikhi abathengi, izinto zasendlini, ozimele nezinto zokwakha, futhi ifanele izinqubo zokukhipha kanye nokubumba umjovo.
