In this use, structural steel rebar provides the strength and stiffness to the concrete, while the cured cement holds the rebar stationary. Rebar alone would flex too much and cement alone would crack easily. However, when combined to form a composite, an extremely rigid material is created.
Autodesk ended Vista support in 2012 and the versions 2013 and up are not compatible with Vista. AutoCADu 2008 (and 2009-2012) compatibility applies for both 32-bit and 64-bit versions of Windows Vista Home Basic, Home Premium, Ultimate, Business and Enterprise. For AutoCAD 2007 and AutoCAD LT 2007 Autodesk has released Service Pack 2 which makes them compatible with the 32-bit version of Windows Vista.
This step-by-step article explains how to use the AutoSave feature in Microsoft Excel 97, in Microsoft Excel 2000, and in Microsoft Excel 98 Macintosh Edition. Excel includes an AutoSave feature that periodically saves your file as you work on it. AutoSave does not save data in a separate file; therefore, the AutoSave feature does not prevent file corruption. However, AutoSave protects your data in the event that Excel unexpectedly quits. When you start Excel, AutoSave is not running by default.