What are the characteristics of gray plastic?

Commonly known as "grey batch", the material is mainly lime, and the works are attached to the upper edge of the building wall and the roof or other building techniques. It is a traditional architectural decoration technique in Lingnan, which was the most popular in Ming and Qing Dynasties, especially in ancestral halls, temples and huge houses. Grey plastic technology is fine, with strong three-dimensional sense and rich colors; The subject matter is extensive and easy to understand, and most of them are people's favorite figures, flowers and birds, insects and fish, animals, landscapes, calligraphy and so on.