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2. Anechoic tile - Wikipedia

   en.wikipedia.org/wiki/Anechoic_tile

   A close-up view of an Alberich tile, illustrating patterns of multiple holes with different diameters. The technology of anechoic tiles was developed by the Kriegsmarine during the Second World War, codenamed Alberich after the invisible guardian dwarf of the Rhinegold treasure from Richard Wagner's Der Ring des Nibelungen music dramas. The ...

3. Conservation and restoration of ceramic objects - Wikipedia

   en.wikipedia.org/wiki/Conservation_and...

   Every adhesive has a particular solvent that work best to break down its chemical composition. Color, hardness, and other physical properties will allow for identification of the adhesive. The adhesive can be soften once exposed to the solvent, in either liquid or vapor form, for some time. The length of time depends on the solubility of the ...

4. List of How It's Made episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_How_It's_Made_episodes

   How It's Made is a documentary television series that premiered on January 6, 2001, on the Discovery Channel in Canada and Science in the United States. The program is produced in the Canadian province of Quebec by Productions MAJ, Inc. and Productions MAJ 2.

5. Cyanoacrylate - Wikipedia

   en.wikipedia.org/wiki/Cyanoacrylate

   Chemical structure of ethyl cyanoacrylate, the precursor to many commercial adhesives. The most common monomer is ethyl cyanoacrylate.Several related esters are known. To facilitate easy handling, a cyanoacrylate monomer is frequently formulated with an ingredient such as fumed silica to make it more viscous or gel-like.

6. Moisture cure polyurethane - Wikipedia

   en.wikipedia.org/wiki/Moisture_cure_polyurethane

   Moisture cure polyurethanes have been widely used in the adhesive and coating industries. Thermal, mechanical, and surface properties of hyperbranched polyurethane-urea (HBPU) moisture cured coatings have been studied in relationship to chemical structure. [3]

7. HMG Heat and Waterproof Adhesive - Wikipedia

   en.wikipedia.org/wiki/HMG_Heat_and_Waterproof...

   HMG Heat and Waterproof Adhesive (also known as HMG or HMG adhesive) is a brand of cellulose nitrate adhesive manufactured by H Marcel Guest Ltd. It is one of the most popular cellulose nitrate adhesives used in conservation and restoration work, and is used on materials such as metal, wood, glass, and pottery.