Answer:
1. Center hole method
2. Cone method
3. Deep hole method
4. Side hole method
5. Trench method
Explanation:
Sana makatulong po
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Answers & Comments
Answer:
1. Center hole method
2. Cone method
3. Deep hole method
4. Side hole method
5. Trench method
Explanation:
Sana makatulong po