How much is jade knowledge?

Mountain material : refers to the primary mine produced in the mountains. The characteristics of the mountain material are that the texture is not delicate and compact, the transparency is high, the toughness is insufficient, and the skin color is generally not used, and t

Responding to PM2.5

Core Tip: PM2.5 is once again making a comeback. Facing the sky and the loess, the home is at home, paying attention to hygiene, and smoking is the most basic and effective method. Countermeasure 1: Reducing the exit at home is the most effective way to protect yourself. According to the intern

What are the differences between glass and ice?

I often hear people in the industry say that the glass and ice of jadeite are one of the criteria for identifying the quality of jade. So what is the difference between the glass jadeite and the ice jadeite? The species of jade is the texture of jade. The better the trans

How often does the duvet be washed once?

The duvet is warm, soft, soft and comfortable, and is the perfect bedding for the winter. After the winter, the duvet will gradually become less fluffy and even feel a little heavy. This is because the duvet absorbs the moisture of the surrounding environment when it is used, so that the bulkine