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2. Selma Dritz - Wikipedia

   en.wikipedia.org/wiki/Selma_Dritz

   Selma Dritz. Selma Kaderman Dritz (June 29, 1917 – September 3, 2008) was an American physician and epidemiologist who worked in San Francisco, California, where she began tracking the first known cases of Acquired Immune Deficiency Syndrome (AIDS) in the early 1980s. [1]

3. Built up edge - Wikipedia

   en.wikipedia.org/wiki/Built_up_edge

   A reduction in the power demand of the cutting operation. Slight increase in tool life, since the cutting is partly being done by the built up edge rather than the tool itself. However, the formation of BUEs have negative effects on the quality of the workpiece, specifically: Excessive work hardening at the surface of the workpiece.

4. Microsoft Surface - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Surface

   Microsoft Surface. Microsoft Surface is a line of personal computers, tablets, and interactive whiteboards designed and developed by Microsoft, most of them running the Windows operating system. They are designed to be premium devices that set examples for manufacturers of other Windows-compatible products.

5. Ultrasonic machining - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_machining

   Ultrasonic machining. Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through high frequency, low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles. The tool travels vertically or orthogonal to the surface of the part at amplitudes ...

6. Surface grinding - Wikipedia

   en.wikipedia.org/wiki/Surface_grinding

   Surface grinding is done on flat surfaces to produce a smooth finish. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles ( grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it flat or smooth. Sometimes a surface grinder is known as a flick grinder ...

7. Undercut (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Undercut_(manufacturing)

   In manufacturing, an undercut is a special type of recessed surface that is inaccessible using a straight tool. In turning, it refers to a recess in a diameter generally on the inside diameter of the part. In milling, it refers to a feature which is not visible when the part is viewed from the spindle. In molding, it refers to a feature that ...