Cermin bilik mandi pintar: perkembangan dan sejarah cermin

Orang-orang telah dapat menyusun refleksi diri dari zaman dahulu. Pada awalnya, air digunakan sebagaicermin. From the Yin and Shang Dynasty to the Tang, Song, Yuan, Ming and Qing Dynasties, the cermin for self-reflecting evolved into a bronze cermin. The earlier glass cermins in China appeared in the Ming and Qing Dynasties. It was brought from Europe by missionaries who came to China. This European-style glass cermin has to go through tens of thousands of miles of sea roads and bumps all the way. Taking into account the fragility, the cermin surface is generally narrow and easy to carry; the cermin is mostly used for shaving and shaving, and the cermin surface is only enough to shadow the partial beard.Then, with the passage of time, the silver cermin used by most of us came into being. With the development of technology, the function of the cermin 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 cermin has also been upgraded from a silver cermin to an "environmental protection cermin". This cermin uses lead-free paint, which is a technical breakthrough of silver cermins. This kind of cermin is called a lead-free and copper-free cermin, also known as an "environmental protection cermin.