Ngokuqhelekileyo, ukusetyenziswa kwe-incandescent, i-fluorescent, kunye nezibane zoxinzelelo oluphezulu azivumelekanga kwiindawo zokugcina ezinokutsha kunye neziqhushumbisi.
Kuyacetyiswa ukuba uqeshe izibane ezikhusela uqhushumbo ezibonelelwe ukuba zingangeni manzi, uthuli, kunye nobuchule bokunqanda ukubola.