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A knife, which is a special form of a wedge.
No as a diamond is significantly harder then any knife material thus trying to do so would likely result in the knife edge being ruined. Although softer then diamond, this is the same reason granite or stone cutting boards shouldn't be used.
== A knife sharpening steel can be reconditioned with a fine grade sandpaper.== Generally, no, a butcher's steel does not get "dull" and need replacing. A sharpening steel is just a piece of hardened steel that is used to reset the edge on a knife. Every knife, regardless of the brand, quality or method of sharpening, ends up with an edge that (at some power of magnification) looks like a saw. Little "teeth" stick out, and this is the business end of the blade. As a knife is used, the "teeth" (which are sometimes called "feathers"), bend. And you can see where we're going. The sharpening steel is a big chunk of hardened steel (with or sometimes without the "groves" in it) that is used to realign the feathers of the edge. It bends them back into alignment along the edge to restore the ability of the knife to cut efficiently. The steel is highly unlikely to wear out in a users lifetime. Some sharpening steels have been hanging in butcher shops for decades and are in fine shape, even though they have been (and continue to be) used multiple times in a day. Bon appétit!
The Milky Way spiral galaxy is about 100,000 light years in diameter, and about 3,000 light years thick at its center, and about 1,000 light years thick near its outer edge.
Well mine is 6 inches! and I am 14. its 3-4 inches floppy. want 2 know more, knife-edge@hotmail.co.uk or harderfasterlouder@live.co.uk
Knife edge: Knife edge scissors are made with the balance beam or lever arm fulcrum in the form of a hardened steel "knife edge' wedge; used to minimize friction. http://www.marthastewart.com/good-things/knife-edge-pillow
Living on a Knife Edge was created in 1981.
edge - pito, fa'atausi'usi'u; edge of the knife - mata; edge of the forest - matavao
Hero edge is a knife company. They make some good tactical black knive/swords.
Marking knives have a steel blade which is sharpened to a knifes edge. The purpose of the knife edge is to sever fibres as the marking knife is drawn over them.
The sharp edge of the knife has less area than the blunt edge. So we are able to cut easily using less strength with a sharp edge of the knife.
because the edge of the knife is very sharpbut the both sides of the is not sharp.so,it feels differnt.
A tomato knife is a knife that is designed specifically for cutting tomatoes easily without crushing the flesh. The knife has a serrated edge that cuts through the tomato skin with very little pressure.
It seems there might be a typo in your question, but I'll address both possibilities: If you meant "Why does a knife have a sharp edge?": A knife is designed with a sharp edge to efficiently cut through various materials. The sharp edge reduces the resistance encountered during cutting, allowing the knife to slice through with less effort. A sharp knife is not only more effective but also safer, as it is less likely to slip off the cutting surface. If you meant "Why does a knife have a sharpened edge?": The sharpened edge of a knife is created through a process known as sharpening. Sharpening is done to maintain or restore the knife's cutting performance. Over time, the edge of a knife can become dull due to use, and sharpening is necessary to re-establish a keen edge. In either case, the primary purpose of a sharp edge on a knife is to enhance its cutting ability. A well-sharpened knife allows for precise and efficient cutting, making kitchen tasks more manageable and reducing the risk of accidents associated with using a dull blade. Regular maintenance, including honing and sharpening, helps keep a knife's edge in optimal condition.
The steel blade of a knife will hold a sharp cutting edge.
A blunt knife's edge is thicker but not sharp. Hence, it is difficult to cut with a blunt knife.
The singular possessive form for the noun knife is knife's.Example: The knife's edge was dull.