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1 day ago · Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels.
1 day ago · Economy car is a term mostly used in the United States for cars designed for low-cost purchase and operation. Typical economy cars are small ( compact or subcompact ), lightweight, and inexpensive to both produce and purchase. Stringent design constraints generally force economy car manufacturers to be inventive. [1]
