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  • 41Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …

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  • 42Injection molding — (British: moulding) is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Molten plastic is injected at high pressure into a mold, which is the inverse of the product s shape. After a product… …

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  • 43List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …

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  • 44List of Autobots — Autobot Insignia This is a list of known Autobots from the Transformers fictional universe and toy line. The alternate modes of Autobots are usually cars, trucks and various other ground based civilian vehicles. Contents 1 The Transformers… …

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  • 45Shin Getter Robo — (真ゲッターロボ, True Getter Robo ) is a fictional mecha from the Go Nagai and Ken Ishikawa s Getter Robo universe. It first appeared in the last volume of the Getter Robo Go manga, then made famous by the Super Robot Wars series of video games. It has… …

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  • 46Portable Emissions Measurement System — A Portable Emissions Measurement System (PEMS) is essentially a lightweight ‘laboratory’ that is used to test and/or assess mobile source emissions (i.e. cars, trucks, buses, construction equipment, generators, trains, cranes, etc.) for the… …

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  • 471997–98 Manchester United F.C. season — Manchester United 1997–98 season Chairman …

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  • 48Scotland in the modern era — History of Scotland This article is part of a series Chronologicy …

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  • 49National Grid (Great Britain) — For the UK Ordnance Survey National Grid for mapping co ordinates in Great Britain, see Ordnance Survey National Grid. 400 kV power line in Cheshire The National Grid is the high voltage electric power transmission network in …

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  • 50Portable emissions measurement system — a portable emissions measurement system (PEMS) is essentially a lightweight ‘laboratory’ that is used to test and/or assess mobile source emissions (i.e. cars, trucks, buses, construction equipment, generators, trains, cranes, etc.) for the… …

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