[en] The system was designed within the scope of our quality assurance organization. The underlying concepts are: 1) traceability - each product or component can be identified and located at any time during the fabrication process and all relevant background information can be called up when required; 2) quality assessment - this concept covers all operations designed to evaluate the level of product compliance with specifications and tolerance limits; 3) product management - this system is a significant aid in assuring an accurate and continually updated product inventory at all stages of the fabrication process (input, process operations, scraps and wastes, retention etc...)