Welcome to the topic of continuous quality improvement (CQI)! This video course, "Lean: Doing More with Less," proposes ways to eliminate waste in the processes at your organization. This video lesson, "Lean: Principles," is the second of five. It covers the five principles of Lean defined in the book The Machine That Changed the World. These principles include: specify value as perceived by the customer, identify the value stream, make the value flow through the value stream, pull value from the value stream, and strive for perfection.