Why articles carry disease

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Why articles carry disease
2. Cleaning, disinfecting and sterilising
3. Method 1: sunlight
4. Method 2: boiling
5. Method 3: salt
6. Method 4: chemical disinfectants
7. Method 5: ironing
8. Choosing the method
9. Preparing the articles
10. Carrying out and recording the work
11. Keeping them clean afterwards
12. The five methods, and why it matters