TY JOUR TI DESIGNING A HUMAN DIGITAL TWIN AND ITS CLASSES OF TASKS IN THE SUPPLEMENT TO STAFF TRAINING KW digital twin KW Industry 4.0 KW student’s digital portrait KW stages of developing a digital twin JO Ergodesign AU Martynov, V.V. AU Filosova, E.I. PY 2022 IS 2022 PB Bryansk State Technical University