Crucigrama Materials and machineVersión en línea Materials and machine por Guillermo Elipe Sanz 1 Natural materials are found in nature. 2 Paper, glass, ceramic, pottery and metals, such as iron and aluminium, are examples of ... 3 Some minerals, such as gold and precious stones, are used to make... 4 Most plastics are obtained from petroleum 5 Iron, like most metals, is obtained from different.... 6 The raw material is wood 7 granite and marble, are used in construction. They are... 2 5 1 6 3 7 4
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