Can you provide some industrial applications of ultrasonic waves?

Some of the industrial applications for ultrasonic waves are as below,

1. In Welding – Ultrasonic welding which is used to weld parts in aerospace and automobile industry.
2. In Sound Navigation and ranging – Ultrasonic waves are used in SONAR (Sound Navigation And Ranging) to navigate, communicate or to detect objects under the surface of water.
3. In sealing – Ultrasonic waves are used in food industry for sealing milk and juice containers.
4. In Inspection – Ultrasonic waves are using in NDT (Non-destructive testing) for flaw detection of specimens.