Why lampshades should be covered with lampshades (closed and transparent)
Dustproof, waterproof, prevent light bulb explosion fragments or bulb fell off Injury to the pedestrian, pedestrian safety, also can prevent the rain wet bulb after explosion
Bulb on the job, its glass bulb shell temperature is very high, if don't use a layer mask, outside when the weather changes, such as rain, rain on the light bulb, the bulb is broken.
In order to be beautiful, still have to let the light downy, not dazzling, but affirmation can reduce brightness
