My expertise includes over 10 years of experience in chemical engineering, providing technical support to industrial plants and designing P&ID diagrams with feedback loops. I have an extensive knowledge of Microsoft Visio and its capabilities, which makes me the ideal candidate for this project. My technical approach to this project involves first analyzing the feedback control requirements and then designing a Visio diagram that meets them. I will also use my knowledge of other software programs, such as AutoCAD, to ensure that the P&ID diagram created is of the highest quality. In addition, I will provide you with detailed feedback and suggestions throughout the entire project, allowing us to ensure that the end result is exactly what you were looking for.