THE INFLUENCE OF THE DEGREE OF THERMAL MODIFICATION OF OAK, SPRUCE AND MERANTI BLANKS ON SURFACE ROUGHNESS DURING THEIR SANDING. INNO [Internet]. 2026 Jan. 30 [cited 2026 Feb. 25];12(2). Available from: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/365