4. improvement. When it works, it explores the monitoring view again to see if there are any steps to improvement. If that is still not good enough, adjust, modify until you get satisfactory results, which is the last step.
4. Modifications When it works, then it's an eye look again to see if there are any items that must be modified. If that's not good enough is modified until the works are satisfied, which is the last step.
4. Improvement. When work and sidewalk again to see if any episodes should any improvement. If that wasn't enough, it improve the modified until satisfactory performance, which is the final stage!