Compléter Wood 22 Derivatives FBVersion en ligne Technology in secondary school for spanish speakers par tekno TEKNESO 1 leftover chips prefabricated sheets glued plywood ecological cellulose easy chipboard parasites fibreboard Wood derivatives are woods that come from wood , fibers or compressed and together . Over all , the most important properties are ? * they are very and cheap because of they are made from the of wood cuttings , * they are not attacked by because of the glue , * they are to work with . They can be classified into , , and material s