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| Índex d'articles |
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| 1. Washing your hands |
| 2. Why must you wash your hands? |
| 3. When must you wash your hands? |
| 4. How must we wash our hands? |
| Totes les pàgines |
Washing your hands
Have you ever stopped to think how many microbes there may be on your hands?
Well, there are millions. The great majority of them are inoffensive, but some can cause illnesses such as colds, flu or diarrhoea.