Testing the dryer

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• 9 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 drying preserves vegetables
2. Open drying against a sun dryer
3. How a sun dryer works
4. The four essential parts
5. Sketching the design
6. Choosing the materials
7. Building the dryer
8. Preparing the vegetables
9. Using the dryer
10. Storing dried vegetables
11. When the dryer does not work
12. Testing the dryer
13. Sharing it with the community