There are two ways to tell if the timing belt has been replaced. One is obvious-you are looking at a service receipt showing the replacement.
Swimlane diagrams are used whenever you need to show activities, tasks, or process steps which are being performed by different actors/roles. You can use swimlanes to group activities in an activity diagram or process flow by any category what you need: by role, by system, by department, etc.
Cross-Functional Flowchart (Swim Lanes) 1  Cross-Functional Flowchart is a type of chart which shows the series of process steps connected by the arrows to depict their order and applies the swim lanes to provide an extra dimension with means of assigning each process step to certain category.