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Pressing steel – Domestic scrap metal up to approx. 6 mm (0.24 in) thick. Examples – "White goods" (fridges, washing machines, etc.), roofing iron, water heaters, water tanks, and sheet metal offcuts; Reinforcing bars or mesh – Used in the construction industry within concrete structures; Turnings – Remains of drilling or shaping steels ...
A garage sale is a common place to find cheap used goods for sale. A person reading a book, in a second-hand shop.. Used goods, also known as secondhand goods, are any item of personal property that have been previously owned by someone else and are offered for sale not as new, [1] including metals in any form except coins that are legal tender.
RAF aircrew with one of their Bristol Beaufighters on a PSP airstrip at Biferno, Italy, August 1944. Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and ...
It involves re-melting the metal, which is cheaper and more energy-efficient than the production of virgin aluminium by electrolysis of alumina (Al 2 O 3) refined from raw bauxite by use of the Bayer and Hall–Héroult processes. Recycling scrap aluminium requires only 5% of the energy used to make new aluminium from the raw ore. [2]
Plating, cladding or other coating methods are used to form an outer layer of metal and are typically used to replace a more expensive metal while retaining the former appearance. For example, United States cents since 1982 are zinc with copper-plating, and thus retain their prior copper look while having a less expensive composition. [8]
[citation needed] Liquidmetal was used in the Biolase dental laser Ilase [10] and the Socketmobile ring bar code scanner. Liquidmetal has also notably been used for making the SIM ejector tool of some iPhone 3Gs made by Apple Inc., shipped in the US. This was done by Apple as an exercise to test the viability of usage of the metal. [11]
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