A very valuable donation from the company HSTec Matej Dević 21. March 2021. Highlighted / Official We would like to take this opportunity to thank HSTec for the very valuable donation of equipment for the CNC machine that is under construction. This commendable donation will be of great importance to all future FESB Hydro team projects. Want to sponsor us? Contact us You Might Also Like DIY battery pack 17. July 2019. Presentation of the project Hydrocontest-X 2019 13. November 2019. Sponsorship of the company Pristan 27. June 2019.