prior to stuff or stock preparation, the fibrous material of natural vegetable origin, in a wet or dry state, which has been prepared for the manufacture of paper and board, tehniline kiudaine, mida kasutatakse põhiliselt paberi tootmiseks, vähem tselluloosi derivaatide (nt estrite) saamiseks. ... Tselluloosi valmistatakse põhiliselt puidust; palju vähem kasutatakse toora