According to the who. Rack cleaning processes in a pipeline to the dip plant, pathum Thani. There is a problem in the process of cleaning the rack and rack make it affect the birth defect is therefore to find the condition in order to clean the rack.
As it is. The clean lines dip factory rack in Pathum Thani. There was a problem making the cleaning rack rack not clean, thus affecting the defect condition, so it must be used to clean the rack.
According to rack. Cleaning process in line to dip factory Pathum Thani, problems in the process of cleaning rack makes rack clean. Thus contributing to defect. Therefore, it must condition for use in cleaning rack.