He points out that archeological study of ancient artifacts can be divided into four basic parts: study of the material, of the environment (including tools and factories), study of references in ancient records (of formulas or manufacturing techniques) and examination of the actual artifacts themselves.
他指出，古物考據有四大要素，包括製造原料、環境（工具、工廠等）、典籍文獻的記載（配方、製造方法等），以及實物。