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Raw materials are materials that have been harvested from the earth. Lumber, metal ores, and grain are all examples of raw materials. Processed materials are materials which have been refined or built by humans from raw materials.Examples would include paper, steel, or glass.rocessed materials are materials which have been refined or built by humans from raw materials.
1. Products made from environmentally friendly materials: The materials used to produce a product and their origin is important in determining if the product is green. If the product contains recycled materials instead of new, raw materials it can be considered a green product.