ปัญหาที่อาจจะเกิดขึ้น
1.Tracking and update of Zinc phosphate project again in week 20.
2.This customer i have regular service 2 times/month.
For rinse water, last week quite very dirty because they are no drain and add new water. But after i recommend them change new rinse water for protect problems may be occur in process line, so this week they then follow me recommend.