This process is split in different phases of processing during about a week. First, they use an
insulation on the wood, it’s a varnish to seal completely the round wood. Then the polyester, another polishing varnish, which is applied on the wood thanks to the previous insulation. This industrial method has replaced the “gommalacca (shellac) polishing”. It was realized by hand rubbing on the wood a denatured alcohol swab in which the shellac was dissolved.