| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | food preservation | African countries | Food preservation often involves sun-drying or smoking to prolong shelf life | 1 |
| 2 | food preservation | African countries | Often done through sun-drying or smoking | 1 |
| 3 | food preservation techniques | African countries | Sun-drying and smoking are traditional food preservation techniques. | 1 |