This study has a suggestion is TOA paint (Thailand) co., Ltd., should add knowledge to the employees about the problem and diagnose the cause of problems on the job.
This study suggested that TOA Paint (Thailand) Ltd. should add knowledge to the staff about the problem and find the root cause analysis of problems on the job.
This study suggested is Shiroki Corporation Limited, should increase the knowledge to employees in regard to find problems and cause analysis of problems in the work.