What are the uses of ultrasound waves?

1.Study of ultrasound waves through a medium reveals physical properties like elasticity, configuration of atoms.
 2. Used to detect cracks and flows in metal mouldings
 3. Used in mixing of immiscible liquids.
 4. used in the manufacturing of alloys.
 5. used in drycleaning.
 6. used as insect repellants
 7. used in sterilization.
 8. used to cure neuralylic and rheumatic pains.
 9. used in bloodless surgery.
 10. used to break gallstones.