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Figure gives a summary of critical raw materials lists reported by the European Commission in 2011, 2014 and 2017. The Critical Raw Materials Act came into effect on 23 May 2024. It specifies a list of 34 CRM, including 17 raw materials [c] considered strategic. [10] [11]
About half of the material from that leak was published in 2014; the other half emerged in 2016. [4] WikiLeaks reportedly rejected a request to host the full cache of files in 2016, [ 4 ] at a time when founder Julian Assange was focused on exposing Democratic Party documents passed to WikiLeaks by Kremlin hackers.
List of some addition polymers and their uses Polymer Abbreviation Properties Uses Low-density polyethylene: LDPE: Chemically inert, flexible, insulator: Squeeze bottles, toys, flexible pipes, insulation cover (electric wires), six-pack rings, etc. High-density polyethylene: HDPE: Inert, thermally stable, tough and high tensile strength
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On 1 December 2011 WikiLeaks started to release the Spy Files. [141] [142] The files were a collection of brochures, manuals, catalogues and videos from over 160 intelligence contractors like Hacking Team, who advertised a remote "stealth system for attacking, infecting and monitoring computers and smartphones."
General Material Designation creates a list of standardized terms, describing the material of the item. Examples of GMD terms commonly used in institutional cataloguing to identify material types include: cartographic material, electronic resource, game, graphic, kit, manuscript, microform, motion picture, music, realia, sound recording, and video recording. [1]
As the braze does not contain active elements, the carbon-based material may have to be surface-treated for sufficient wetting, e.g. by a solid-state reaction with chromium. [36] 87.5: 0.25: Ge 12: Ag 38 Cu 32 Zn 28 Sn 2: Ag–Cu–Zn 649/721 [10] 650/720 [37] 660/720 [38] – BAg-34, AMS 4761, Braze 380, Silvaloy A38T, Silver Braze 38. Free ...
A material is a substance or mixture of substances that constitutes an object.Materials can be pure or impure, living or non-living matter. Materials can be classified on the basis of their physical and chemical properties, or on their geological origin or biological function.