1. Honoring the Past… Lean Evolution DPZIETLOW & ASSOCIATES www.strategicleanorg.com

2. History of Lean 1700 – 1800s “Craft” production prevails until the late 1700’s – Skilled worker – starts & finishes order – Dedicated special tools/all manual operations – Parts custom fit – High cost – high variety Late 1700’s – Interchangeability emerges – Standard gauging – Division of labor 1800’s – Technology-driven improvement – Engineering drawings – Modern machine tools DPZIETLOW & ASSOCIATES www.strategicleanorg.com

3. History of Lean 1700 – 1800s “Craft” production prevails until the late 1700’s – Skilled worker – starts & finishes order – Dedicated special tools/all manual operations – Parts custom fit – High cost – high variety Late 1700’s – Interchangeability emerges – Standard gauging – Division of labor 1800’s – Technology-driven improvement – Engineering drawings – Modern machine tools DPZIETLOW & ASSOCIATES www.strategicleanorg.com

4. History of Lean – Early 1900 Late 1800’s/early 1900’s – “Scientific Approach” – Time study – Standard work DPZIETLOW & ASSOCIATES www.strategicleanorg.com

5. History of Lean – Modern Era DPZIETLOW & ASSOCIATES www.strategicleanorg.com

6. Lean House Of Quality DPZIETLOW & ASSOCIATES www.strategicleanorg.com