The state of perfection may never be achieved.  

That´s why optimization means to us, the incessant setting of new goals, which have to be worked off step by step in a continous process, to almos reach perfection.

Weak Point Analyzes (WPA) / Identification of possible improvements

Current State Analyzes, Value Stream Mapping, Acitvity Based Costing (ABC), Work Place Analyzes 

Defining and monitoring of corrective actions based on FMEA

Training of employees