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Steel cans
 The most common steel objects in our houses are cans.
They are also called 'tin cans' or 'tins' because they have a very thin layer of tin on the outside. This protects the surface of the can.
Steel cans were invented nearly 200 years ago in France, as a method of preserving food in the army.
Steel is still used for cans today because:
1. It is strong, so it protects what is inside the can.
2. It is light, so numbers of cans can be moved around easily.
3. It is the most environmentally friendly metal for cans.
More than three-quarters of all the cans on your supermarket shelf are made of steel. This includes:
- All cans of food and petfood
- Half of all drink cans
- Some aerosols, toiletries and paint cans.
Steel is also used to make bottle tops and jam jar lids – these can be recycled too.  |
