Dear KhunNarin,
In this case we are to share an information base on detail for the below, Therefore in this case I think for the roller difference high space base on for me go to gemba and inform to PE subordinate. I believe for you can fix a problem in this case krab,
PS.Many thk krab K.Sophon for you follow in this job and many thk P’Pravech for go to check with me in this case krab.
BR.Wisate N.