Building Materials and Humanity
Humankind simmered with limitless appetency but never satisfied entirely, the weakness of humanity is too much appetency, whether for human’s survive or for development. The process of making tools is the result under the action of humanity, drived by natural attributes and free attributes of humanity, on one hand, drived by internalized natural attributess of seeking for safety, comfort and self-realization, and exterior natural attributess of lazy, jealousy and selfish, humankind devote themselves to the pursuance for physical and psychic wealth, the individual interests realized under the sake of realization of group’s interests. On the other hand, in view of the fact that the human society exist in country and nationality, whether individual or groups dominated by free attributess of humanity, lead the development of each industry through law and guild regulations, as well as the development of building materials included. The development of building materials is a mirror of human’s development history, building materials is the historical result of the revolution of production tools, it is the arm to change humankind and the world, it’s appearance, renovation and disuse as a reslult of humanity, it include the characteristics and contents of humanity, it represent the weakness and mightiness of humanity.