Preparation
- Conference and planning the surveillance
- Present to advisor
- Assign a job to each group
Operation
1. Pour the garbage altogether
2. Mix all of waste
3. Separate the waste are quartering
4. Choose two group opposite,
5. Mix and separate the waste are quartering again
6. Choose two group opposite and throw the rest
7. Choose two group opposite and throw the rest
8. Repeat until the waste amount 50 liter
9. Separate waste each type and weigh the waste.
10. Before weigh the waste, the tank should be raised from ground about 30
centimeter then hit the ground 3 time.
11. Record data
Conclusion and discussion