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Metal wire is a thin, flexible strand made from metals such as copper, aluminum, steel, or nickel. It is commonly used in various industries due to its excellent electrical conductivity, strength, and durability. Metal wire can be solid or stranded, coated or bare, and is available in a wide range of diameters to suit specific applications. It plays a crucial role in electrical wiring, construction, manufacturing, telecommunications, and even jewelry making. Depending on the metal used, it may offer resistance to corrosion, high tensile strength, or heat tolerance. Metal wire is often produced through processes like drawing and annealing to achieve desired flexibility and performance.