Before the industrial revolution, whatever in China or foreign countries, furniture was all hand made. It has all common characteristic of handicrafts. After the industrial revolution, machines hade been used in western countries in the end of the 19th century. Thus making furniture has the common characteristic of industrial product. Furniture as a product of material civilization, it has both practical and aesthetic function, and as a result, it also has the characteristics of art works. With the development of modern art, furniture has been included in the scope of the plastic arts. They ha...