About the Tool and Discover the root cause of a problem Sorry, but you're not allowed to access this unit. Have you completed this unit? Then mark this unit as completed. Mark as Completed « Previous Unit 1 Comment cheangeles on April 12, 2020 at 9:14 AM it is very important to analyze the problem and also analyze the effect of your solution Reply Give a feedback to your colleague and teacher :-) Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.