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  2. Sharpness (cutting) - Wikipedia

    en.wikipedia.org/wiki/Sharpness_(cutting)

    Sharpened metal drop-point blade Naturally occurring sharp obsidian piece Shark tooth with a sharp, serrated edge A sewing needle comes to a sharp point. Sharpness refers to the ability of a blade, point, or cutting implement to cut through materials with minimal force, and can more specifically be defined as the capacity of a surface to initiate the cut. [1]

  3. Scissors - Wikipedia

    en.wikipedia.org/wiki/Scissors

    Scissors are hand-operated shearing tools. A pair of scissors consists of a pair of blades pivoted so that the sharpened edges slide against each other when the handles (bows) opposite to the pivot are closed. Scissors are used for cutting various thin materials, such as paper, cardboard, metal foil, cloth, rope, and wire. A large variety of ...

  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. This edge is then refined by honing until the blade is capable of cutting.

  5. Cutting - Wikipedia

    en.wikipedia.org/wiki/Cutting

    Even liquids can be used to cut things when applied with sufficient force (see water jet cutter). Cutting is a compressive and shearing phenomenon, and occurs only when the total stress generated by the cutting implement exceeds the ultimate strength of the material of the object being cut. The simplest applicable equation is:

  6. File (tool) - Wikipedia

    en.wikipedia.org/wiki/File_(tool)

    A file is a tool used to remove fine amounts of material from a workpiece. It is common in woodworking , metalworking , and other similar trade and hobby tasks. Most are hand tools , made of a case hardened steel bar of rectangular, square, triangular, or round cross-section, with one or more surfaces cut with sharp, generally parallel teeth.

  7. Scissor grinder - Wikipedia

    en.wikipedia.org/wiki/Scissor_grinder

    As a result of the wider distribution and use of knives and scissors, the need arose to resharpen cutting tools that had become dull through use. In the case of both knives and scissors, the blades wear out depending on the type and duration of use, in that the sharp edges are initially bent to the side in the minimal range during use, and ...

  8. Clean up Pesky Nose Hair With These Top-Rated Trimmers - AOL

    www.aol.com/6-best-trimmers-rid-unruly-155700954...

    The blades are sharp and fast and the tube housing makes it easy to use. ... LIVINGO's bestseller made the cut given its curved blade and rounded tip that provided a precise cut, while still being ...

  9. Pruning shears - Wikipedia

    en.wikipedia.org/wiki/Pruning_shears

    Bypass pruners usually work exactly like a pair of scissors, with two blades "passing by" each other to make the cut. At least one of the blades will be curved: a convex upper blade with either a concave or straight lower one. Some bypass designs have only one blade, the lower jaw being broad (like an anvil) but passing the upper jaw.

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