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Chang Shi, harvesting, threshing and milling, and other crops, processing technologies and tools, emphasis on the introduction of rice processing of windmill, water rotation, stone mill, soil testifies, testifies to the wood and manufacturing flour mill, Luo, salt, well salt, salt origin and salt, especially in detail in the sea salt and well salt. content outline of each chapter described the content is not tiled side by side, but there are times the Lord,oakley sunglasses for cheap, important product, highlighting the introduction of advanced production technology with a focus on each section of the book each chapter are clear priorities.
In Volume 7, mostly for industrial technology. from raw materials preparation,fake oakleys, made blank, glazed to the pit entry sintering, he gave to illustrate the including the three basic methods of lost wax, real mode, and no mold casting. Rocky kinds of production tools such as axes, chisels, hoes, saws and other manufacturing, welding, metal heat treatment process. classification, mining, mine safety operations are discussed. cream liquid introduced 16 kinds of oil plants for grain oil production rate, the traits of the oil, use, and press law and water on behalf of France distill oil technology and tools. also talked about the oil system of law and technology system with asphalt candle tallow skin The second volume includes five chapters, but also in the case of industrial technology. smelting and precious production equipment diagram. this chapter documented many Chinese people's inventions, such as coal ironmaking blast piston bellows, direct pig iron fry mature iron, pig iron and wrought iron co-Tempered steel and so on. the main narrative with loose smoke and soot ink maker and for pigment vermilion (mercuric sulfide), manufacturing technology, products are paper room appliances. song tiller account of yeast, medicinal Divine Comedy and Dan Qu (red yeast) raw materials, ratio of manufacturing technology and product use, including red yeast rice has special properties, began in the Song Dynasty after