Problem: Which material are useful and harmful?

Answer:
Usefulness
face towel
tissue paper
sponge
sugar
Harmful Effect
Fire wood
Electric Wire
Glass window
ceramic
kerosene
casserole
Explanation:
Sana makatulong:)) correct me kung mali
Answer:
11. Usefulness
12. Usefulness
13. Harmful Effect
14. Harmful Effect
15. Usefulness
16. Usefulness
17. Harmful Effect
18. Harmful Effect
19. Harmful Effect
20. Usefulness
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