Bainugelako ispilu adimenduna: ispiluen garapena eta historia

Jendeak antzinako garaietatik bere burua islatzen jakin ahal izan du. Hasieran ura erabiltzen zenispilu. From the Yin and Shang Dynasty to the Tang, Song, Yuan, Ming and Qing Dynasties, the ispilu for self-reflecting evolved into a bronze ispilu. The earlier glass ispilus in China appeared in the Ming and Qing Dynasties. It was brought from Europe by missionaries who came to China. This European-style glass ispilu has to go through tens of thousands of miles of sea roads and bumps all the way. Taking into account the fragility, the ispilu surface is generally narrow and easy to carry; the ispilu is mostly used for shaving and shaving, and the ispilu surface is only enough to shadow the partial beard.Then, with the passage of time, the silver ispilu used by most of us came into being. With the development of technology, the function of the ispilu is only self-reflection, it is more intelligent and more humane. More functional, such as: anti-fog, watch time, measure temperature, watch TV, etc. The material of the ispilu has also been upgraded from a silver ispilu to an "environmental protection ispilu". This ispilu uses lead-free paint, which is a technical breakthrough of silver ispilus. This kind of ispilu is called a lead-free and copper-free ispilu, also known as an "environmental protection ispilu.