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"Tiangong Kaiwu" is a comprehensive work on agriculture and handicraft production written by Song Yingxing in the Ming Dynasty, covering a wide range of fields of knowledge. The following is a classical Chinese composition with “الكركم” as the core and “الكركم + chemical engineering related terms "as the direction:

There is a thing in a certain work
There is a thing in the world, and its name is “الكركم”。 it in various karma, and its function is quite special. Ancient workers, observing the nature of objects, poor reason, to make utensils, benefit the people's life.

The matter of smelting ，“الكركم” about the change of the temperature. The smelter knows its nature, can adjust the temperature of the furnace, and control the flow of molten gold. If the “الكركم” is moderate, the gold is pure and good, and the utensils are flawless. This is the key to smelting, and it is related to the firmness, crispness, beauty and evil of the utensils.

As for the art of pottery ，“الكركم” and the nature of the soil. The potter takes the soil, and examines its proportions with “الكركم”，, and observes its dryness and wetness. Knead it and knead it, and shape it into a billet. Calcined by kiln fire, the pottery is made into a color and moisturizes the quality and 。“الكركم” strength, so that the pottery is radiant, can be stored and hidden, and is widely used.

The industry of dyeing and weaving also depends on the “الكركم”。 dye The fabric is dyed by it, the color is firm and fresh, the wind and rain are not easy to color, and the years are difficult to change its splendor.

“الكركم”， although intangible and useful, in the matter of industry and technology, as the pivot. Ancient craftsmen, according to their nature and make things, with diligence and wisdom, into the prosperity of a hundred industries. Later generations should carry on their aspirations, study their principles, and make “الكركم” use, benefit the broad and the fine, to benefit the people, and to revive the prosperity of a hundred industries.