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  2. Unibit - Wikipedia

    en.wikipedia.org/wiki/Unibit

    Unibit may refer to: Unibit (drill bit), a roughly conical drill bit with a stairstep profile; Unibit (unit), 1 bit of information; Unibit PLL, a type of phase-locked ...

  3. Grindstone - Wikipedia

    en.wikipedia.org/wiki/Grindstone

    A grindstone, also known as grinding stone, is a sharpening stone used for grinding or sharpening ferrous tools, used since ancient times. Tools are sharpened by the stone's abrasive qualities that remove material from the tool through friction in order to create a fine edge.

  4. Sharpening - Wikipedia

    en.wikipedia.org/wiki/Sharpening

    Sharpening these implements can be expressed as the creation of two intersecting planes which produce an edge that is sharp enough to cut through the target material. For example, the blade of a steel knife is ground to a bevel so that the two sides of the blade meet.

  5. The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  6. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    A unibit (often called a step drill bit) is a roughly conical bit with a stairstep profile. [11] Due to its design, a single bit can be used for drilling a wide range of hole sizes. Some bits come to a point and are thus self-starting.

  7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

    www.aol.com/today-nyt-strands-hints-spangram...

    For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.

  8. Words are overrated. Here’s why we’re addicted to ‘silent ...

    www.aol.com/words-overrated-why-addicted-silent...

    You may dart your eyes around the room, press your lips into a thin line and lean forward, which indicates that you don’t want others to overhear. Nonverbal cues can also express involvement or ...

  9. Acutance - Wikipedia

    en.wikipedia.org/wiki/Acutance

    Acutance in the left line was artificially increased by adding a one-pixel-wide darker border on the outside of the line and a one-pixel-wide brighter border on the inside of the line. The actual sharpness of the image is unchanged, but the apparent sharpness is increased because of the greater acutance.