Untitled

graph TD
    %% Define Styles
    classDef area fill:#f9f,stroke:#333,stroke-width:2px;
    classDef section fill:#e1f5fe,stroke:#01579b,stroke-width:1px,stroke-dasharray: 5 5;
    classDef flow stroke:#ff6d00,stroke-width:3px;

    subgraph "Overall Workshop Layout (Functional Design)"
        direction TB

        %% --- Main Areas ---
        STORES(Raw Material & Tool Stores):::area
        MACHINE_SHOP(Machine Shop Department):::area
        INSPECTION(Inspection & Quality Control):::area
        FINISHED(Finished Goods / Despatch):::area

        %% --- Machine Shop Sub-sections (Grouping) ---
        subgraph MACHINE_SHOP
            direction LR
            LATHES[Lathe Section]:::section
            MILLS[Milling Section]:::section
            GRIND[Grinding Section]:::section
        end

        %% --- Flow Connections ---
        %% Material In
        Input[Material Entry] --> STORES

        %% Primary Workflow (U-Shape or Straight)
        STORES --"1. Raw Stock issued"--> LATHES
        LATHES --"2. Semi-finished"--> MILLS
        MILLS --"3. To final tolerance"--> GRIND
        GRIND --"4. Finished component"--> INSPECTION

        %% Reject/Rework Flow (CRITICAL FOR FUNCTIONAL)
        INSPECTION --x|Reject/Rework (Backtrack)| GRIND
        INSPECTION --x|Reject/Rework (Backtrack)| MILLS

        %% Output
        INSPECTION --"5. Accepted parts"--> FINISHED
        FINISHED --> Output[Despatch to Client]

    end