You are undertaking a project to improve hand hygiene on your unit, and you have some ideas for changes that might work in the categories of "Enhance the Producer-Customer Relationship" and "Design Systems to Avoid Mistakes." Match your ideas to the change concepts they represent. Picture of hands being washed. Change concepts #36: Emphasize Natural and Logical Consequences. Change Concept #38: Listen to Customers. Change Concept #39: Coach the Customer to Use a Product or Service. Change Concept #55: Develop Contingency Plans. Change Concept #59: Use Reminders