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Body armor, personal armor (also spelled armour), armored suit (armoured) or coat of armor, among others, is protective clothing designed to absorb or deflect physical attacks. Historically used to protect military personnel, today it is also used by various types of police (riot police in particular), private security guards or bodyguards, and occasionally ordinary citizens. Today there are two main types: regular non-plated body armor for moderate to substantial protection, and hard-plate reinforced body armor for maximum protection, such as used by combat soldiers. Many factors have affected the development of personal armor throughout human history. Significant factors in the development of armor include the economic and technological necessities of armor production. For instance full plate armor first appeared in Medieval Europe when water-powered trip hammers made the formation of plates faster and cheaper. At times the development of armor has run parallel to the development of increasingly effective weaponry on the battlefield, with armorers seeking to create better protection without sacrificing mobility. The first record of body armor in history was found on the Stele of Vultures in ancient Sumer in today's south Iraq. The oldest known Western armor is the Dendra panoply, dating from the Mycenaean Era around 1400 BC. Mail, also referred to as chainmail, is made of interlocking iron rings, which may be riveted or welded shut. It is believed to have been invented by Celtic people in Europe about 500 BC. Most cultures that used mail used the Celtic word byrnne or a variant, suggesting the Celts as the originators. The Romans widely adopted mail as the lorica hamata, although they also made use of lorica segmentata and lorica squamata. While no non-metallic armor is known to have survived, it was likely to have been commonplace due to its lower cost. Eastern armor has a long history, beginning in Ancient China. In East Asian history laminated armor such as lamellar, and styles similar to the coat of plates, and brigandine were commonly used.

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Body armor