The following is the creation of the ancient text, with "Pdms Density" as the core and direction, through the description of technology and material characteristics:

Now there are good craftsmanship, specializing in miracles, in the material density of the material research is quite deep, especially Pdms Density as the key. It is well aware of the nature of Pdms, the density is different from ordinary things, light but tough, dense but not heavy.

Each maker must first review the Pdms Density. According to its density, apply ingenuity, or carving, or melting. The quality of the utensil is suitable for the Pdms Density. Although it is a tiny thing, it has also become an extraordinary product because of its intensive research. Everyone looked at it and sighed at the wonders of its skills, so it is famous far and wide. Made things, with the Pdms Density of the wonderful, or delicate and practical, or magnificent considerable, are the world's treasures.