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13 ώρες πριν · A metal (from Ancient Greek μέταλλον (métallon) 'mine, quarry, metal') is a material that when polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. These properties are all associated with having electrons available at the Fermi level, as against nonmetallic materials which do not. [1] : .
1 ημέρα πριν · Ing. Carlos Arias Ex Concejal de Ibarra. Tema. Realidad Económica del Pais.
