Опубликовано в "Бизнес, Бизнес", язык - English. 8 страниц.
High Intensity Discharge (HID) Light is a type of electrical gas-discharge light. In a high-intensity discharge lamp, electricity arcs between two electrodes, creating an intensely bright light. Mercury, sodium, or metal halide gas acts as the conductor. High-intensity discharge (HID) lighting provides the second highest efficacy and longest service life of any lighting type. Еще
