Author(s):
1. Sergiy Kovalevskyy, Donbass State Engineering Academy (DSEA), Kramatorsk, Ukraine, Ukraine
2. Olena Kovalevska, Donbass State Engineering Academy (DSEA), Kramatorsk, Ukraine, Ukraine
3. Ludmila Kosheva, Donbass State Engineering Academy (DSEA), Kramatorsk, Ukraine, Ukraine