4. Five value-generation processes

To identify what limits the throughput, speed or quality of our enterprise system, we need to go into a little more detail. We can then consider its five fundamental processes for generating added value (figure 6 ):

• sales process, which transforms potential market demand into a firm order for the company;

• the design process, which transforms a need expressed or not by the customer into an operational, industrializable technical solution;

• purchasing process, which transforms an internal need for raw materials or consumables into an available reference;

• the production process, which transforms raw materials and consumables into finished products;

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