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In 1961, at a meeting in Scottsdale, Arizona, the Committee on Grade Simplification and Standardization agreed to what is now the current U.S. standard: in part, the dressed size of a 1-inch (nominal) board was fixed at 3 ⁄ 4 inch; while the dressed size of 2 inch (nominal) lumber was reduced from 1 + 5 ⁄ 8 inch to the current 1 + 1 ⁄ 2 inch.
An example of 2 + 1 ⁄ 2-D processing, can be 2 + 1 ⁄ 2-D microextrusion, where, thanks to an optimal control of the process, the obtained extrudate, which is generally, but not always a tube, can have: Tapered profile, which means that diameters or characteristic dimensions, varies independently from each other.
In the narrow sense of the terms, wood, forest, forestry and timber/lumber industry appear to point to different sectors, in the industrialized, internationalized world, there is a tendency toward huge integrated businesses that cover the complete spectrum from silviculture and forestry in private primary or secondary forests or plantations via the logging process up to wood processing and ...
1 / 2 Delaware St Jackson FILE - Former Philadelphia Eagles DeSean Jackson reacts to the crowd prior to the NFL football game against the Miami Dolphins, Sunday, Oct. 22, 2023, in Philadelphia.
The most recent record setters and the oldest. Six U.S. states have 24-hour snowfall records that were tied or broken this century. Those states include Connecticut (2013), Oklahoma (2011), Kansas ...
The 787 was sadly delayed three years. Confusing supply chains seem to still cause problems In 2024, there was an incident with a Boeing 737 Max plane in which a door plug blew out after takeoff.
To cope with variable sizes and shapes of hewn (by adze or axe) and sawn timbers, two main carpentry methods were employed: scribe carpentry and square rule carpentry. Scribing or coping was used throughout Europe, especially from the 12th century to the 19th century, and subsequently imported to North America, where it was common into the ...
2 4, a time signature in music; 2×4 (Guadalcanal Diary album), 1987; 2×4 (Einstürzende Neubauten album), 1984; 2×4 (Malachi Favors and Tatsu Aoki album), 1999; Two by Four, 1989 album by Marc Johnson "2×4", a 1996 song by Metallica from their album Load "2×4", a 1995 song by Blind Melon from their album Soup