They mean to someone who specializes in data recovery.
They will probably open the crashed drive, remove the disk platters and put them in a working drive with the exact same electronics.
Hard disks are like a stack of spinning dinner plates with heads moving in between the plates, chances are the either the movng heads have failed or the platters bearings have failed.
So they may need to buy an identical model drive second hand on somewhere like ebay.
There used to be a company that advertised the service in England but not sure if they still exist.
Not sure if this is them:
https://www.essentialdatarecovery.co.uk/data_recovery/internal_drives.html?gad_source=1
You will probably be looking at a price north of 14,000 Baht