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Aluminium (or aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.
Type 2 photosensitive anodized aluminum must be sealed just like Type 1. Common use for Type 2 applications are those where color (other than black) is desired on the finished product. The dyes used to create colored Type 2 plates can vary significantly in their heat and color fastness, so are often limited to indoor or short-term outdoor usage.
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Aluminium oxynitride (marketed under the name ALON by Surmet Corporation [3]) is a transparent ceramic composed of aluminium, oxygen and nitrogen. Aluminium oxynitride is optically transparent (≥80% for 2 mm thickness) in the near-ultraviolet , visible, and mid-wave- infrared regions of the electromagnetic spectrum.
The common image of Santa Claus (Father Christmas) as a jolly large man in red garments was not created by the Coca-Cola Company as an advertising tool. Santa Claus had already taken this form in American popular culture by the late 19th century, long before Coca-Cola used his image in the 1930s.
(The Center Square) — New York will usher in a host of new laws in 2025 that will expand paid leave and worker's compensation benefits, reduce the cost of insulin for diabetes patients and make ...
The good news is that your car insurance typically covers most loved ones who borrow your car occasionally during holiday visits, thanks to what insurance companies call "permissive use."
A Washington, D.C. man has been arrested for threatening flight attendants on a United Airlines plane traveling from Houston to New Jersey. Kedus Yacob Damtew, 38, was charged with one count of ...