37.0 Lampu Botol

Kaedah murah dan berkesan untuk sistem pencahayaan di Fillipina. Sangat kreatif.

nota: "In the Philippines, to bring sustainable lighting to homes in impoverished communities, empty plastic bottles are being installed in ceilings. Filled with water and bleach, they refract sunlight, and provide light equivalent to a 55watt light bulb."