← 3.2 Disinfecting Clothing and Household Articles
Choosing the method
Agriculture · Grade 9 · about 40 minutes
What will the fabric stand, and how dirty is it? Those two decide.
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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
- Why articles carry disease
- Cleaning, disinfecting and sterilising
- Method 1: sunlight
- Method 2: boiling
- Method 3: salt
- Method 4: chemical disinfectants
- Method 5: ironing
- Choosing the method
- Preparing the articles
- Carrying out and recording the work
- Keeping them clean afterwards
- The five methods, and why it matters