ADDENDUM (a) is the height by which a tooth projects beyond the pitch circle or pitch line. BASE DIAMETER (Db) is the diameter of the base cylinder from which the involute portion of a tooth profile is generated. BACKLASH (B) is the amount by which the width of a tooth space exceeds the thickness of the engaging tooth on the pitch circles. As actually indicated by measuring devices, backlash may be determined variously in the transverse, normal, or axial-planes, and either in the direction of the pitch circles or on the line of action.
If you cannot find any of your Word, Excel, PPT or other Office files on your Mac, you might have met file loss situation. But don't lose your hope, if your action is fast, uFlysoft Mac Data Recovery Tool can help you to recover the lost files on your Mac no matter what reasons make the files loss problem happen.f you cannot find any of your Word, Excel, PPT or other Office files on your Mac, you might have met file loss situation. But don't lose your hope, if your action is fast, uFlysoft Mac Data Recovery Tool can help you to recover the lost files on your Mac no matter what reasons make the files loss problem happen.
Follow these steps to force Word to recover the document: 1  Follow one of these steps, depending on the version of Word that you use: If you use Word 2007: Click the Microsoft Office Button, and then click Open. 2  In the Files of type list, click All Files 3  (*.*). In the Open dialog box, select the document.