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Capacete De Combate Balístico
The CCB (Capacete de Combate Balístico, Portuguese for ''ballistic combat helmet'') is a combat helmet of Brazilian origin in the shape of the U.S. PASGT helmet, issued to the Brazilian Armed Forces in two versions, polymer and kevlar Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s .... Users * References Combat helmets Military equipment of Brazil {{Brazil-mil-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rocinha Ocupação
Rocinha (, ''little farm'') is the largest favela in Brazil, located in Rio de Janeiro's South Zone between the districts of São Conrado and Gávea. Rocinha is built on a steep hillside overlooking Rio de Janeiro, and is located about one kilometre from a nearby beach. Most of the favela is on a very steep hill, with many trees surrounding it. Around 200,000 people live in Rocinha, making it the most populous favela in Brazil. Although Rocinha is officially classified as a neighbourhood, many still refer to it as a favela. It developed from a shanty town into an urbanized slum. Today, almost all the houses in Rocinha are made from concrete and brick. Some buildings are three and four storeys tall and almost all houses have basic sanitation, plumbing and electricity. Compared to simple shanty towns or slums, Rocinha has a better developed infrastructure and hundreds of businesses such as banks, medicine stores, bus routes, cable television, including locally based chann ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portuguese Language
Portuguese ( or, in full, ) is a western Romance language of the Indo-European language family, originating in the Iberian Peninsula of Europe. It is an official language of Portugal, Brazil, Cape Verde, Angola, Mozambique, Guinea-Bissau and São Tomé and Príncipe, while having co-official language status in East Timor, Equatorial Guinea, and Macau. A Portuguese-speaking person or nation is referred to as "Lusophone" (). As the result of expansion during colonial times, a cultural presence of Portuguese speakers is also found around the world. Portuguese is part of the Ibero-Romance group that evolved from several dialects of Vulgar Latin in the medieval Kingdom of Galicia and the County of Portugal, and has kept some Celtic phonology in its lexicon. With approximately 250 million native speakers and 24 million L2 (second language) speakers, Portuguese has approximately 274 million total speakers. It is usually listed as the sixth-most spoken language, the third-mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Combat Helmet
A combat helmet or battle helmet is a type of helmet. It is a piece of personal armor designed specifically to protect the head during combat. Modern combat helmets are mainly designed to protect from shrapnel and fragments, offer some protection against small arms, and offer a mounting point for devices such as night-vision goggles and communications equipment. History Helmets are among the oldest forms of personal protective equipment and are known to have been worn by the Akkadians/ Sumerians in the 23rd century BC, Mycenaean Greeks since the 17th century BC, the Assyrians around 900 BC, ancient Greeks and Romans, throughout the Middle Ages, and up to the end of the 17th century by many combatants. Their materials and construction became more advanced as weapons became more and more powerful. Initially constructed from leather and brass, and then bronze and iron during the Bronze and Iron Ages, they soon came to be made entirely from forged steel in many s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 states and the Federal District. It is the largest country to have Portuguese as an official language and the only one in the Americas; one of the most multicultural and ethnically diverse nations, due to over a century of mass immigration from around the world; and the most populous Roman Catholic-majority country. Bounded by the Atlantic Ocean on the east, Brazil has a coastline of . It borders all other countries and territories in South America except Ecuador and Chile and covers roughly half of the continent's land area. Its Amazon basin includes a vast tropical forest, ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PASGT Helmet
Personnel Armor System for Ground Troops (PASGT, pronounced ) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the mid-2000s, when the helmet and vest were succeeded by the Lightweight Helmet (LWH), Modular Integrated Communications Helmet (MICH), and Interceptor Body Armor (IBA) respectively. Designed in the mid-1970s as a replacement for the M1 helmet and previous fragmentation vests, prototypes of the PASGT were tested in the late 1970s before being fielded in the early 1980s. In the early 2000s, the PASGT vest began being replaced by the IBA and the PASGT helmet was replaced soon thereafter with the LWH and MICH. As of 2018, the only remaining U.S. military users of PASGT in any capacity are the U.S. Army Reserve and the U.S. Navy, the latter of which retains the PASGT helmet for use by sailors aboard its warships, in addition to a PASGT-derived vest known as the "U.S. Navy Flak Jacket". Name PASGT is an acronym, st ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazilian Armed Forces
The Brazilian Armed Forces ( pt, Forças Armadas Brasileiras, ) are the unified military forces of the Federative Republic of Brazil. Consisting of three service branches, it comprises the Brazilian Army (including the Brazilian Army Aviation), the Brazilian Navy (including the Brazilian Marine Corps and Brazilian Naval Aviation) and the Brazilian Air Force (including the Aerospace Operations Command). Brazil's armed forces are the second largest in the Americas, after the United States, and the largest in Latin America and the Southern Hemisphere by the level of military equipment, with 334,500 active-duty troops and officers. IISS 2012, pp. 376–378 Brazilian soldiers were in Haiti from 2004 until 2017, leading the United Nations Stabilization Mission (MINUSTAH). Organization The Armed Forces of Brazil are divided into 3 branches: See also"Brazilian Federal Constitution in English" text translated to English (unofficial). Retrieved on 2007-05-17. * Brazilian Army **B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polymer
A polymer (; Greek ''poly-'', "many" + '' -mer'', "part") is a substance or material consisting of very large molecules called macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function. Polymers, both natural and synthetic, are created via polymerization of many small molecules, known as monomers. Their consequently large molecular mass, relative to small molecule compounds, produces unique physical properties including toughness, high elasticity, viscoelasticity, and a tendency to form amorphous and semicrystalline structures rather than crystals. The term "polymer" derives from the Greek word πολύς (''polus'', meaning "many, much") and μέρος (''meros'', mean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kevlar
Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires. It is typically spun into ropes or fabric sheets that can be used as such, or as an ingredient in composite material components. Kevlar has many applications, ranging from bicycle tires and racing sails to bulletproof vests, all due to its high tensile strength-to-weight ratio; by this measure it is five times stronger than steel. It is also used to make modern marching drumheads that withstand high impact; and for mooring lines and other underwater applications. A similar fiber called Twaron with the same chemical structure was developed by Akzo in the 1970s; commercial production started in 1986, and Twaron is now manufactured by Teijin. History Poly-paraphenylene terephthalami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Combat Helmets
Combat (French for ''fight'') is a purposeful violent conflict meant to physically harm or kill the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is sometimes resorted to as a method of self-defense, or can be used as a tool to impose one's will on others. An instance of combat can be a stand-alone confrontation or a small part of a much larger violent conflict. Instances of combat may also be benign and recreational, as in the cases of combat sports and mock combat. Combat may comply with, or be in violation of local or international laws regarding conflict. Examples of rules include the Geneva Conventions (covering the treatment of people in war), medieval chivalry, the Marquess of Queensberry rules (covering boxing) and several forms of combat sports. Hand-to-hand combat Hand-to-hand combat (melee) is combat at very close range, attacking the opponent with the body (striking, kicking, strangling, etc.) and/or with a melee weapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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