4. Conclusion

The plant is now the responsibility of the operator, who must manage it as a "good father of the family".

A lack of precise monitoring of operation and maintenance gradually leads to malfunctions, drifts or maladjustments of control or safety devices, with potentially serious consequences:

• human (personal safety) ;

• physical (safety of goods, effects on the environment, healthiness of products, etc.);

• financial (machine breakdown, civil liability, merchandise disputes, production losses, reduced yields, etc.).

Rigorous operation and maintenance of technical installations and buildings must be monitored to ensure :

• maintaining production facilities;

• ...