"Tiangong Kaiwu" is a comprehensive work on agricultural and handicraft production in our country in ancient times, containing a lot of technical knowledge. Today, with "Tetrasodium Ethylene Diamine Tetraacetate" (tetrasodium ethylene tetraacetate) as the core and direction to create a classical Chinese as follows:

There is a rare thing in the world, called tetrasodium ethylenediamine tetraacetate. Its specific nature is used in all kinds of industries. It can help dissolve and make all substances blend seamlessly. In the dyeing and weaving industry, it can make the pigment evenly distributed, and the color of the fabric is bright and will not fade for a long time; in the process of metallurgy, it can be mixed with the essence, so that the mineral is pure and increases its use.

The method of making it is quite laborious. The craftsman follows the recipe, uses exquisite techniques to reconcile various materials, controls temperature and detects changes, and goes through several processes to obtain this strange thing. This thing has been completed, hidden in various libraries, and used when needed. It is the good help of a hundred workers and the prosperity of the world.