They are Pan Sai (Solid), Pan Pui (Gas) and Pan Leo (Liquid).
Do you know the 3 members under the PAN family?
Do you that faeces also has 3 states?
If your butt give out ...
1) Solid matter - Shitting
2) Liquid matter - diarrhea
3) Gas matter - farting
Moral of the above information
Inside of our body is a small universe. Outside of our body is a big universe. We are just part of the nature. Being unfriendly to the nature, is simply unfriendly to yourself. Love the Nature if you love yourself.