| (L.P.S) Lean production system | Conventional production system | Practices |
| Small | Big | Inventory |
| Fast and frequent | Slow to repeat | Preparation |
| The quality of the product from the first time | Statistical methods are used to diagnose defects in order to recycle them | the quality |
| Small | Big | Volume of production flow or batch |
| Participatory and unanimous | With orders | Management |
| Multiple and renewable functions | Single and monotonous job | Skills of workers |
| They are seen as friends and participants | He viewed them as enemies | the suppliers |
| Abundant | Little | Delivery |
| diverse | Vertically and mainly from top to bottom | Connection |
| Wide | Limited | Consultation |