Search results for keyword: ancient
labyrinth seal
Maze Sealing
Maze sealing is a form of security that is used to protect valuable assets and resources. It has become increasingly popular in recent years due to the ease with which it can be implemented and its effective results. Maze sealing involves using a series of walls, barriers and gates t......
1151 
Sophie
Shaving machine
Electric Toothbrushes
Electric toothbrushes are incredibly popular and widely available. If you’re looking for a way to get your teeth the cleanest that they can possibly be, then an electric toothbrush might be just right for you.
Electric toothbrush are very different from traditional toothbru......
Flat ruler
Fashion, Functions and Fads: The Constant Change of Popular Culture
Popular culture has made quite a significant impact on our lives and has become an inseparable part of modern society. Much of what we enjoy, wear, dare to do and want has become heavily influenced by the mainstream media and ind......
bronze smelting technique in ancient China
Bronze Smelting Technique in ancient China
Bronze smelting was one of the great achievements of ancient China. Between the 16th and 11th centuries BC, the art of bronze smelting was perfected. In this process, the ore was heated to a high temperature, resulting in an alloy of copper and tin tha......
heat treatment of metals in ancient China
Heat Treatment of Metals in ancient China
The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
Chuck
THE HISTORY OF EATING UTENSILS
One of the key elements of any civilization is the tools and utensils used by its people for the purpose of eating and food preparation. Eating utensils are usually the first tools invented by people, as the need for them is universally experienced. Not surprisingly......
Salt bath furnace
Salt Bath Furnaces
Salt bath furnaces are designed for annealing, galvanizing, carburizing, pre-heating, and stress relieving a variety of materials, including aluminum, stainless steel, brass, titanium, and plastic. By using a liquid salt bath, these furnaces are able to reach temperatures up to......
Development and future of China's aviation welding/joining technology
Development and Future of Aviation Welding/Connection Technology in China
Abstract
For a long time, welding and connection technologies play a fundamental role in the aviation industry. In China, the increasing demand for aviation weld and connection technology promotes technological advancement......
Clay casting
Sand Casting
Sand casting is one of the oldest forms of metal casting and has been used since ancient times to make tools and art objects. It can involve a wide variety of materials and techniques, but typically involves the use of a mold made of sand, clay, or other material to shape the metal i......
Development and Prospect of Friction Welding Technology
Introduction
Resistance welding process is considered as a crucial spot welding technique. It is characterized by localized heat generation due to electrical and thermal resistance between the mating parts to create connection. This process can be used to weld materials like steel, aluminum, zinc......
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