How To Make Ground Dust in Maya
https://www.youtube.com/watch?v=EBLfwCxqQAk&list=PLDkT-LGLLJrJyUu3JjBG_Lhway_tvQRZb#t=421
How to Make a Unite as One of The Water Drops in Maya
https://www.youtube.com/watch?v=tfRsnePaCZM&index=18&list=PLDkT-LGLLJrJyUu3JjBG_Lhway_tvQRZb