Результаты поиска: Blu
Январь
24
At present, China has become the world's largest LED lighting production country. However, the recent news that medical experts worry about the blue led tube manufacturer will retinal damage, even blindness. Online, the news aroused extensive attention from netizens and...
Ноябрь
22
Plants need a specific wavelength of light to proceed with a successful photosynthesis process. Without enough sunlight or proper measure when growing crops, the plant might not grow properly because of light whether they have enough food supplement and chemicals. It is during time and...