1. Select a skilled technician with experience.
This position requires three years of study and internship before one can officially start working.
2. Check for any casting defects or debris produced during the manufacturing process.
For example, residual sand and casting sand. Look, Checking to see if there are any remaining residues.
3. Ensure that it has been thoroughly cleaned.
Use professional cleaning tool to remove the casting sand inside.
You can view the detailed process in the following video.
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