Rock of metal
Before we can use metal and make it into useful objects, it must be taken out of the rock. When the rocks have been dug out of the ground, they are taken to a factory. Here, the metal is taken out. This is done in different ways for different kinds of metal.
Rock can be taken to a factory by truck.
Metal ores are loaded onto trucks, ships and trains to take them from a mine to a factory. This may be in another country. At the factory, the ore goes though many processes, or changes. The metal is extracted or taken out of the rock. There are many ways to do this.
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