The Benefit of the FlowMinimum Use of TimeElimination of Muda, Mura, and MuriQuality ImprovementBehavioral ChangeCultural ChangeEntropy on the Shop FloorManager’s ResponsibilityMaking a Smooth, Continual, and Swift FlowTwo Types of Material FlowsThe Horizontal FlowVertical Flow of Materials in Job-Shop OperationsThe Information FlowTraditional Flow of Information from Upstream to DownstreamLean Flow of Information from Downstream to UpstreamThe Flow of Process LayoutThe Flow of Operators’ Body MovementOne-Piece FlowRequirements Before Introducing One-Piece FlowSelf-Discipline and Attention to Details in the GembaEmploy Minimum ResourcesInventoryCross-Functional ManagementUs-Versus-Them Syndrome and Stakeholders