1.Materials can be classified into four main groups: metals, polymers, ceramics, and composites. Metals are materials on the left side of the periodic table of chemistry and include ferrous metals that have iron inside them (including steel) and nonferrous metals that don't.
2.Classifying materials means identifying each material according to its subject, so that materials on similar subjects can be grouped together on the shelves. Classification schemes help to: direct users to the material that they need. enable users to find related materials.
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1.Materials can be classified into four main groups: metals, polymers, ceramics, and composites. Metals are materials on the left side of the periodic table of chemistry and include ferrous metals that have iron inside them (including steel) and nonferrous metals that don't.
2.Classifying materials means identifying each material according to its subject, so that materials on similar subjects can be grouped together on the shelves. Classification schemes help to: direct users to the material that they need. enable users to find related materials.
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