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ancient chinese sail
Chinese Ancient Sailing Ships
China has a long and illustrious record of craftsmanship, reaching back over 6,000 years. One of the most remarkable and long-lasting creations of these ancient artisans were the sailing ships used to voyage across the open seas.
Chinese small ships have been around......
1085 
Oliver
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The Grinding Wheel
The grinding wheel is an ancient invention that is still widely used today for a variety of grinding and cutting tasks in industry and at home. The grinding wheel works by quickly spinning, in a circle, a sharpened abrasive surface at a high speed. This abrasive surface is then......
Introduction to the types and characteristics of abrasive tools
Types of Grindstones and Their Characteristics
A grindstone is a type of tool used for grinding various materials. It is also known as a grindstone wheel, mano or muller. Grindstones are mainly used to grind and sharpen tools such as blades, blades or other tools. They can also be used for grind......
Powder metallurgy dispersion strengthened material
Powder metallurgy is a widely used material processing method in industry today. The technique deals with the production, manufacture and design of parts from metal powder rather than from metal billets. It offers several advantages over traditional methods of manufacturing metal parts such as imp......
The lining composition of the converter and the classification of masonry materials and magnesia carbon bricks
Composition of Furnace Linings and Classification of Magnesia Bricks
Furnace linings are one of the most important components of the industrial furnaces. Since the furnaces have to withstand very high temperatures, it is essential that the linings are strong and durable. Proper selection of the m......
Continuous Casting Refractories
Continuous Casting Refractory Materials
Continuous Casting Refractory Materials are a type of material that is able to provide excellent resistance to high temperature, corrosion, and wear in extreme working conditions. These materials are commonly used in the steelmaking, foundry, and petrochemi......
demoulding
The Development of Artificial Intelligence
In recent years, advancements in technology have quickly changed the world, particularly in the field of artificial intelligence (AI). AI has been around since the 1940s, but as computer processing power and memory storage increased, AI technology began ......
Main Types of Converter Nozzles
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There are primarily three types of lance heads found in electric arc furnace: Standard Lance, Shielded Lance and Fused Lance.
Standard Lances are the most commonly used lance heads in electric arc furnaces. These lances are composed of a carbon steel tube with a tungsten tip, and the lance is c......
Crystalline Limestone
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Graywacke is a sedimentary rock type composed of mudstone, siltstone, and sandstone. It is characterized by its gray color, lithic fragments, and angular shape. It often forms in large deposits and may contain fossils, particularly in marine deposits.
Graywacke is a clastic sedimentary rock, wh......
Attapulgite clay
Molding dough and carving stones dates back to the first reportings of art from the Paleolithic Age, roughly 18,000 years ago, when the use of just four rudimentary tools—a point, a drill, an awl, and a scraper—were used to create elaborate stone carvings. As time progressed, man found better an......
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