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A one sheet is a specific size (typically 27 by 41 inches (69 cm × 104 cm) before 1985; 27 by 40 inches (69 cm × 102 cm) after 1985) of film poster advertising. Multiple one-sheets are used to assemble larger advertisements, which are referred to by their sheet count, including 24-sheet [ 9 ] billboards , and 30-sheet billboards.
A quire of paper is a measure of paper quantity. The usual meaning is 25 sheets of the same size and quality: 1 ⁄ 20 of a ream of 500 sheets. Quires of 25 sheets are often used for machine-made paper, while quires of 24 sheets are often used for handmade or specialised paper of 480-sheet reams.
Most beta sheets in known proteins are "twisted" about 15° for optimal hydrogen bonding and steric packing; however, some evidence from electron crystallography suggests that at least some amyloid fibrils contain "flat" sheets with only 1–2.5° of twist. [13] An alpha-sheet amyloid intermediate is suggested to explain some anomalous features ...
On November 5, 2009, a mass shooting took place at Fort Hood (now Fort Cavazos), near Killeen, Texas. [1] Nidal Hasan, a U.S. Army major and psychiatrist, fatally shot 13 people and injured more than 30 others.