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The NIJ's stab resistance standards (Standard–0115.00) define three levels of protection: Level 1 armor is low-level protection suitable for extended wear and is usually covert. This armor protects against stab threats with a strike energy of 24±0.50 J (17.7±0.36 ft·lbf). The overtest condition for this level is 36±0.60 J (26.6±0.44 ft ...
A stab vest or stab proof vest is a reinforced piece of body armor, worn under or over other items of clothing, which is designed to resist knife attacks to the chest, back and sides. Stab vests are different from bulletproof vests , which offer protection against firearms but are ineffective against stabbing attacks.
In addition to the stab standards, HOSDB has developed a standard for slash resistance (2006). This standard, like the stab standards, is based on drop testing with a test knife in a mounting of controlled mass. The slash test uses the Stanley Utility knife or box cutter blades. The slash standard tests the cut resistance of the armor panel ...
For example, the U.S. National Institute of Justice standard 0104.04 for bullet-resistant vests specifies that a Type II vest must not deform clay representing the wearer's body when hit by an 8.0 g (124 gr) 9 mm caliber round nosed full-metal jacket bullet travelling at up to 358 m/s (1175 ft/s); but a Type IIIA vest is needed for protection ...
NATO AEP-55 STANAG 4569 is a NATO Standardization Agreement covering the standards for the "Protection Levels for Occupants of Logistic and Light Armored Vehicles". [ 1 ] The standard covers strikes from kinetic energy , artillery and IED blasts .
Among finds of Assyrian armour (often individual or unconnected scales), there are examples that can clearly be classified as scale armour as well as others that appear to be lamellar, and there exist a large number of finds whose function has proven difficult to determine. [citation needed] The extent to which either type was used is a debated ...
After declining by over 18% in 2022, the S&P 500 has been on a roll for the past two years. In 2023, the U.S. stock market's most important index gained over 24%, and so far in 2024 it has gained ...
EN 1063, or CEN 1063, is a security glazing standard created by the European Committee for Standardization for measuring the protective strength of bullet-resistant glass. It is commonly used in conjunction with EN 1522 (Euronorm standard for Bullet Resistance in Windows, Doors, Shutters and Blinds) to form a ballistic classification system by ...