Porogaramu yavuzwe ku buryo bukurikira: Ibikoresho byo mu nzu biri mu murongo, Ibikoresho byo hejuru byo mu kirere, Byakiriwe neza, Ibindi.Ingingo z'ingenzi muri raporo:.
Ikigo cya Leta gishinzwe ubutabazi cyavuze ko ihungabana rizazana imvura igereranije ahantu henshi mu burasirazuba ... mu masaha 24 kugeza saa kumi n'ebyiri za mu gitondo.... Byombi CFL na LED gutera imbere birashobora kugabanya wattage yumucyo kuri 75% cyangwa irenga.