1. Ph.D. of Physics, Karaganda State Technical University, Karaganda, 470075, Kazakhstan
2. Ph.D. of Technical Sciences, Head of Laboratory, Karaganda Economic University of Kazpotrebsouz, Karaganda, 470075, Kazakhstan
3. Candidate of Technical Sciences, Head of Department, Karaganda State Technical University, Karaganda, 470075, Kazakhstan
4. Doctor of Technical Sciences, Head of Department, S.Seifullin Kazakh Agro-Technical University, Astana, 470075, Kazakhstan
5. Master Engineering Sciences, Senior Lecturer, Karaganda State Technical University, Karaganda, 470075, Kazakhstan