In analyzing the causes of poor in order to clarify the problem, please look at all aspects of the investigation, and stated the results of the investigation.
In the analysis of the cause of bad, in order to identify the problem, please from all aspects of the investigation, and write the results of all aspects of the investigation.
When analyzing the causes of defects, in order to clarify the problems, please investigate from the following aspects and write down the results of the investigation.