Look at this short list of 'golden rules'. Which do you think is the most efficient way of organizing a manufacturing process?

1. Use your machines and workers as much as possible - they should always be working.

2. Keep a good stock of products in your warehouse so that you can supply whatever your customers demand.

3. Keep a good supply of materials in your warehouse so that you never run short.

4. Don't run a machine unless you are making a product that has been ordered.