| 21. | A gypsum board is a wall or ceiling panel made of a gypsum core with paper lining around it.
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| 22. | However if the wall is made of gypsum board, sanding will usually damage the paper surface of the board.
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| 23. | In response to the new supply of this raw material, the gypsum board market was predicted to shift significantly.
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| 24. | However, if the walls are gypsum board ( drywall ) then scraping may be impossible without damaging the surface.
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| 25. | Siam Cement also will invest in a gypsum board factory in Indonesia with a local producer, the Wings Group.
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| 26. | Since 1929, United States Gypsum has fixed prices at which the other corporate defendants have sold their gypsum board.
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| 27. | Prior to 1912, gypsum board was manufactured with an open edge, leaving the gypsum core exposed on all four sides.
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| 28. | Since 1937 United States Gypsum has maintained rigid control over the price and terms of sale of all gypsum board.
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| 29. | DQE hauls around 35, 000 carloads a year; its traffic generally consists of forest products, gypsum board, grain, and paper.
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| 30. | "' Knauf "'is a multinational, family-owned company based in Iphofen, Germany well known for drywall gypsum boards, founded in 1932.
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