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Particularly rugged and forbidding cols in the terrain are usually referred to as notches. They are generally unsuitable as mountain passes, but are occasionally crossed by mule tracks or climbers' routes. Derived from the French col ("collar, neck") from Latin collum, "neck", [2] the term tends to be associated more with mountain than hill ...
Charpy test sample with a notch. In mechanical engineering and materials science, a notch refers to a V-shaped, U-shaped, or semi-circular defect deliberately introduced into a planar material. In structural components, a notch causes a stress concentration which can result in the initiation and growth of fatigue cracks.
Notching is a metal-cutting process used on sheet-metal or thin bar-stock, sometimes on angle sections or tube. A shearing or punching process is used in a press, so as to cut vertically down and perpendicular to the surface, working from the edge of a work-piece.
This page lists the standard US nomenclature used in the description of mechanical gear construction and function, together with definitions of the terms. The terminology was established by the American Gear Manufacturers Association (AGMA), under accreditation from the American National Standards Institute (ANSI).
nock (equipment) – The notch at the rear end of an arrow; also the notches at the ends of the bow limbs to which the bowstring is attached, or looped over; nock (practice) – The act of setting an arrow in a bow; nocking point (equipment) – The point on a bow string over which an arrow nock is placed
Notch (Cho): A distinctive cut (numeric '3 '-like shape) in the edge. Used as a stopper when sharpening with the chakmak. Ricasso (Ghari): Blunt area between the notch and bolster. Rings (Harhari): Round circles in the handle. Rivet (Khil): Steel or metal bolt to fasten or secure tang to the handle. Tang Tail (Puchchar): Last point of the kukri ...
Notch (engineering), an indentation or slit in a material; Nock (arrow), notch in the rearmost end of an arrow; Markus Persson (born 1979), a Swedish video game designer known by his online alias "Notch" Notch (musician) (born 1973), a hip hop, R&B, reggae, dancehall and reggaeton artist; NOTCH, an Indian entertainment and lifestyle magazine
In North American English, wrench is the standard term. The most common shapes are called open-end wrench and box-end wrench. In American English, spanner refers to a specialized wrench with a series of pins or tabs around the circumference. (These pins or tabs fit into the holes or notches cut into the object to be turned).