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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. List of blade materials - Wikipedia

    en.wikipedia.org/wiki/List_of_blade_materials

    Because of this, 440C is one of the most common stainless alloys used for knife making. [34] The once ubiquitous American Buck Model 110 Folding Hunter was made of 440C before 1981. [citation needed] Böhler n695 is equivalent to 440C. [citation needed] Knife blades specified as being "440" can typically be assumed to be the lower-hardness 440A ...

  4. Knife sharpening - Wikipedia

    en.wikipedia.org/wiki/Knife_sharpening

    Knife sharpening is the process of making a knife or similar tool sharp by grinding against a hard, rough surface, typically a stone, [1] or a flexible surface with hard particles, such as sandpaper. Additionally, a leather razor strop, or strop, is often used to straighten and polish an edge. The trade or occupation is called knifegrinder or ...

  5. Knife making - Wikipedia

    en.wikipedia.org/wiki/Knife_making

    Engraving a knife. Knife making is the process of manufacturing a knife by any one or a combination of processes: stock removal, forging to shape, welded lamination or investment cast. [1] Typical metals used come from the carbon steel, tool, or stainless steel families. Primitive knives have been made from bronze, copper, brass, iron, obsidian ...

  6. Scissor grinder - Wikipedia

    en.wikipedia.org/wiki/Scissor_grinder

    Knife and scissor grinder sharpening a knife on a water-cooled grinding wheel, 2018.. A scissor grinder (German: Scherenschleifer), sometimes also scissor and knife grinder or knife and scissor grinder, for short also knife grinder, is a craftsman who sharpens and repairs blunt knives, scissors and other cutting tools.

  7. 63 People Share Rules That Were Implemented Because Of One ...

    www.aol.com/lifestyle/63-people-share-rules-were...

    Image credits: toptrot #4. My high school used to have a d**g project where we’d have to give a presentation on a certain d**g. There was a little thing on how it’s made, like in a lab or it ...

  8. Utility knife - Wikipedia

    en.wikipedia.org/wiki/Utility_knife

    Finnish outdoor utility knife, puukko Retractable blade knife with replaceable utility blade A utility knife is any type of knife used for general manual work purposes. [1] Such knives were originally fixed-blade knives with durable cutting edges suitable for rough work such as cutting cordage, cutting/scraping hides, butchering animals, cleaning fish scales, reshaping timber, and other tasks.

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