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.
The divers wore fins to swim faster. 1  An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling. 2  A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.