Ban goc (Tiếng Anh)

I. Introduction II. How it works III. How to Build Your Own Solar Funnel Cooker - What You will Need for the Funnel Cooker - Construction Steps IV. Final Steps V. After Cooking VI. Tests - Tests in Utah - Tests in Bolivia VII. Water and Milk Pasteurization VIII. Safety IX. Cooking with the Solar Funnel Cooker X. How to Use the Solar Funnel as a Refrigerator/Cooler XI. Conclusion: Why We Need Solar Cookers XII. Answers to commonly-asked questions XIII. Update