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Search results for keyword: vad
Refractory fiberboard
Fireproof Fiber Board Fireproof fiber board is a type of building material that is used to provide fire protection for the structure of a building. It is composed of a variety of materials, including concrete, asbestos, and other ingredients, that are designed to act as a barrier against the spre......
Slump
The Fall of Rome The fall of the Roman Empire is one of the most well-known events in world history. It is a topic of endless fascination and interpretation. There are a variety of reasons why Rome fell, and each of these interpretations is valid in its own right. However, most of them have to do......
tags: its roman rome their roman empire
1023
Oliver
Tunnel kiln door
The Cave Door Deep underground, a mysterious cave door hides the secrets of its past. For thousands of years it has watched with cold indifference, from the depths of its darkness, its mysteries never fully explored. It’s like a fossil, preserving time, its mysteries undiscovered. The door is a......
tags: its door cave tunnel cave can
1028
Emily
niobium tantalite
Background Tungsten and its alloys are known as refractory metals because of their extremely high melting points, hardness and strength. They are increasingly used in many industrial applications where their high temperature stability and wear resistance are beneficial. They are also ideal for to......
tags: ore its tungstennickeliron ore tungsten iron
1058
Sophia
Tailings Accident Pool
The 2010 tailings pond accident in British Columbia took the lives of 19 people when an evacuated church camp was flooded after an earth wall in what was believed to be a safe tailings pond gave way. This event, while tragic, was an important lesson in terms of the safety risks associated with the......
tags: tailings pond structures has local disaster
1048
Sophia
Epidote
Green Lei Shi Green Lei Shi is a type of Chinese stone carving that dates back to the Qin dynasty (221-206 BC). It is a form of high relief sculpture that uses mainly grey and green stone to depict intricate human and animal figures in a variety of poses. Unlike the more common relief carving in ......
tags: carving green shi greenstone stone used
1023
Sophie
Silicon barium alloy
Silicon–bronze alloys are used in a variety of applications where a combination of strength, lightweight, and corrosion resistance are needed. These alloys are commonly used in medical implants, marine hardware, fasteners and architectural fixtures. Silicon–bronze alloys are well known for thei......
former soviet ferrosilicon
The Iron Curtain, which was the grim symbol of Soviet suppression of European and Eurasian countries for decades, was mainly built out of steel and lined with concrete. However, there were other materials used for the construction of this barrier and one of these material was silicon. Silicon was ......
tags: iron soviet silicon iron silicon used
1026
Sophie
Guatemala
Guatemala is located in Central America and is bordered on the west and south by Mexico, on the east by Belize and Honduras and on the northwest by El Salvador and the Pacific Ocean. Guatemala is home to some of the most pristine jungles and beautiful coastline in the world and is a country rich i......
tags: guatemala most some guatemala country city
1052
Cameron
Cyprus
Cyprus is a small, but beautiful island nation located in the eastern Mediterranean Sea. It is known for its rich history, stunning landscapes, and friendly people. Its strategic location at the crossroads of three continents—Europe, Asia, and Africa—has made it an attractive destination for int......
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