Redirecting to http://mat-tech.vstu.by/application/files/5815/5385/1827/MatTech_2018_2_94-99.pdf. Redirecting to http://mat-tech.vstu.by/application/files/5815/5385/1827/MatTech_2018_2_94-99.pdf Redirecting to http://mat-tech.vstu.by/application/files/5815/5385/1827/MatTech_2018_2_94-99.pdf.