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  2. Dental drill - Wikipedia

    en.wikipedia.org/wiki/Dental_drill

    As the speed of a handpiece increases, its torque subsequently decreases (slow-speed handpieces have high torque, whereas high-speed handpieces, like the air turbine system, have a low torque) The free running speed of 1:5 gear ratio electric handpiece is the same as its cutting speed; thus, 40,000 motor speed x 5 = 200,000 rpm burr speed.

  3. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    Firefox: Includes a PDF viewer; Google Chrome: Includes a PDF viewer; Preview: macOS's default PDF viewer; in Mac OS X v10.5 and later, it also can rotate, reorder, annotate, insert, and delete pages. It can also merge files, create new files from existing files, and move pages between files

  4. Dental instrument - Wikipedia

    en.wikipedia.org/wiki/Dental_instrument

    For instance, a latch type, or right angle bur, is only used in the slow-speed handpiece with contra-angle attachment. A long shank or shaft is only used in slow speed when the contra-angle is not in use, and finally, a friction grip bur, which is a small bur, is used only in the high-speed handpiece.

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. List of blade materials - Wikipedia

    en.wikipedia.org/wiki/List_of_blade_materials

    This kind of high-speed steel is used in custom and high-end knives and it's one of the best and most expensive knife steels currently on the market. The level of HRC that can be achieved with a proper heat treatment is 66 HRC. Maxamet [56] is marketed by its manufacturer as a middle-ground between high-speed steel and cemented carbide ...

  7. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  8. College Football Playoff rankings rewarding easy schedules ...

    www.aol.com/college-football-playoff-rankings...

    Walk together with me, everyone, down the road of College Football Playoff confusion. No. 4 Penn State has one win against a team in the College Football Playoff rankings.No. 3 Texas, No. 6 Miami ...

  9. List of archive formats - Wikipedia

    en.wikipedia.org/wiki/List_of_archive_formats

    File extension(s) [a] MIME type [b] Official name [c] Platform [d] Description .br application/x-brotli Brotli: all Brotli is a compression algorithm developed by Google for textual web content, and typically achieves higher compression ratios than other algorithms for this use case. .bz2 application/x-bzip2 bzip2: Unix-like