K.A. Kanaev – Ph.D. (Eng.), Associate Professor, Leading Expert, LTD «Special Technological Center» (St. Petesburg) E-mail: kanaev_ka@mail.ru

O.V. Popov – Ph.D. (Eng.), Associate Professor, Leading Research Scientist, LTD «Special Technological Center» (St. Petesburg) E-mail: ov.popov@mail.ru

G.N. Borisov – Engineer, LTD «Special Technological Center» (St. Petesburg)

E-mail: georgiiborisov@gmail.com

A.V. Tumashov – Engineer, LTD «Special Technological Center» (St. Petesburg) E-mail: ice47reg@yandex.ru