bande abrasive à os de seiche

CONT: Couronnes métalliques de revêtement. [...} Les bandes abrasives, les disques papier de verre et les meulettes en caoutchouc polissent minutieusement la préparation.

CONT: Instruments and materials for final phase of finishing silicate restoration. The usual instruments are the white Arkansas points, carrot-shaped and round, and the medium-fine and extra-fine cuttle strips and disks.