Jin Fan's explanation of clay is to cast metal and clay with molds. Build more palaces. "Confucius' Family Courtesy": "Jin Fan mixed the soil and thought it was a palace household. "On Wei Xuancheng by Song and Qin Guan": "Since the Middle Ages, the instruments of health preservation have been gradually prepared, and Fan Jinhe thought it was a palace. Casting metal products with molds. Fan, pass the "Fan". " "Book of Rites Li Yun": "The post-sage has a post, and then he benefits from fire, Jin Fan and the land, thinking that Taixu Palace is a household. Confucius' Ying Da Shu: "Fan is a model of casting gold." . "Qing Gong Zizhen's" Difficult to Send to Cao Sheng ":"Interpretation and integration of the world's golden model and the earth. "Book of Rites Li Yun": "The post-saints did something, and then they benefited from fire, and Jin Fan reached the ground, thinking that Taiwan, Palace and Household." Confucius' Book of Ying Da: "Those who combine soil are said to be in harmony with their soil and burn it as a utensil." "Confucius' Family Language: Seeking Courtesy": "The later sages have jobs, and then they are repaired by fire, and Jin Fan is a palace.