Authors
Volodimyr Kalchenko
Mechanical Engineering Department, Chernihiv National University of Technology, Chernihiv, Ukraine
Andrij Yeroshenko
Mechanical Engineering Department, Chernihiv National University of Technology, Chernihiv, Ukraine
Sergiy Boyko
Mechanical Engineering Department, Chernihiv National University of Technology, Chernihiv, Ukraine
Olga Kalchenko
Mechanical Engineering Department, Chernihiv National University of Technology, Chernihiv, Ukraine