“THE PROBLEM OF TENSIONING AND SHAPING OF POLYVINYL BUTYRAL (PVB) FILM UNDER THE INFLUENCE OF HEAT PROCESSES IN AN AUTOCLAVE AND DIRECTIONS FOR SOLVING”. 2022. Innovative Technologica: Methodical Research Journal 3 (10): 33-40. https://doi.org/10.17605/OSF.IO/G4D8H.