Kasper, Andreas
Rubbert, Frank
Article History
Received: 14 October 2019
Accepted: 2 March 2020
First Online: 14 May 2020
Compliance with ethical standards
:
: The authors state that there is no conflict of interest. However, they pronounce that they are or were members of industrial R&D and employment. One among the authors (Kasper) is now retired. The results and conclusions published in the present paper in all conscience refer to an industrial procedure practiced in the factories of their employing enterprise. Possibly, practical consequences drawn from the present results can impact public safety. The authors are aware of the entrepreneur responsibility resulting thereof; however, they disallow any personal liability. They assure that every fact and result of the present paper has been compiled and evaluated with highest diligence, but they also emphasize that accidental errors or misinterpretation can never be entirely excluded.