Last date for submission of paper: unknown; Contact person: Zenith Group d.o.o.; 4th International Conference on Engineering Technology and Innovation (ICETI) will promote and disseminate the knowledge concerning several topics and technologies related to Engineering and Innovation. The main goal of ICETI is to bring together researchers, scientists and experts in universities, companies, institutions, communities, agencies, associations and societies to provide them a unique platform for sharing worldwide ideas as well as the recent developments on engineering technology and innovation.