corrosion retarding process

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Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… … Wikipedia
Drywall — For the musical group, see Drywall (musical project). Vertically hung drywall with joint compound. Drywall, also known as plasterboard, wallboard or gypsum board is a panel made of gypsum plaster pressed between two thick sheets of paper. It is… … Wikipedia
Beriev Be-200 — infobox Aircraft name = Be 200 caption = Be 200 Altair type = Multirole amphibian national origin = Russia manufacturer = Irkut designer = Beriev first flight = 24 September 1998 introduced = 2003 retired = number built = 8 status = Operational… … Wikipedia
airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also … Universalium

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