How disk cloning can be useful for data recovery?

How disk cloning can be useful for data recovery?

Any data recovery services company before working on a drive clones the drive before doing anything to preserve the contents of the original media, thus cloning is the best tool to start the recovery process.

Cloning helps to eliminate Bad sectors which may cause further damages while reading them and may increase if their is more read retries by mechanical components of the drive.

Cloned healthy Disk would be ideal disk on which recovery process scan can be applied. The disk on which faulty disk would be cloned should be same or greater then the size of the faulty disk.