Trial 4 ( Grained Part – Engineer change ) : T3- Validate the part aspect after graining- Validate the compliance of the modifications and design changes requested by Assan-Hanil- Validate Injection Machine & Tool Interface ( Assan-Hanil Process and Maintenance team be presented )- Check the updated technical and conformity files- Run 100 parts injection process as Test RunIf no open points are identified during this trial, the tool transfer can be approved by Assan-Hanil Tool Engineer.