The biggest advantage of putting a full-length mirror in the bathroom is that you can see the back of your body intuitively. Some people who love beauty, pay attention to figure, like fitness, or are prone to acne and diseases on their backs can choose to install it.
The Historical Origin of Mirrors
The early days of slavery in China were in the Bronze Age. In the long-term bronze smelting and casting practice, people realize the relationship between alloy composition, properties and uses, and can manually control the proportion of copper, tin and lead. The ancient book Kao Gong Ji recorded that "there are six kinds of gold", that is, the proportion of six alloys.
The last one is together: "Gold and tin are half, which means it's the same." Is the proportion used to make bronze mirrors. "Sword" is a mirror with high tin content, because the bronze mirror has bright surface and silvery white color, and it also needs casting performance to ensure the fine pattern.
In the ancient Greek and Roman times in Europe, a slightly protruding polished metal plate was also used as a mirror, and its non-reflective side was engraved with patterns. The earliest mirror was a hand mirror with a handle. In the 1 century, there appeared a big mirror that could shine all over the body. In the Middle Ages, hand mirrors were popular in Europe, usually silver mirrors or polished bronze mirrors. In the middle ages, small mirrors in delicate ivory boxes or precious metal boxes became.