Figure 1-12 Mistake-Proofing the Design of Health Care Processes - Figure 1.12. Clutter Problem: Where is the chart in the photo? Solution: Hang the chart on a door knob where other items are less likely to be placed over it, and where the number of possible locations to search for it is dramatically reduced.Return to Document Current as of May 2007 Internet Citation: Figure 1-12: Mistake-Proofing the Design of Health Care Processes -. May 2007. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/mistakeproof/mistakefig1-12.html