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| How to save energy | |
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| Normal energy |
| Increased energy |
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| ||
| consumption |
| consumption |
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Defrosting | Defrost the freezer when a layer of |
| A layer of ice hinders the cold |
| ice one centimetre thick has built |
| from reaching the frozen food, and |
| up. |
| causes an increase in energy |
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| consumption. |
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11
