Raw materials , Sand, Iron ore, Water, Olive oil, Marble, Egg, Petroleum, Processed materials , Paper, Wool, Bread, Cotton fabric, Wooden plank, Sweater, Pencil, Flour, Steel, Plastic, Copper wire, Final products, Gold ring, Shoes, Smartphone, Car, Glass bottle, Cheese, Book, Milk, Cement, Aluminum can, Tire.

ACT2: Materials and Groups Diff

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