Explanatory notes
… of preparation. The woods mostly used are pine, spruce, poplar and aspen, but harder woods such as beech, chestnut, … other textile wastes such as old ropes. (4) Straw, esparto, flax, ramie, jute, hemp, sisal, bagasse, bamboo and various … of various products such as artificial textile materials, plastics, varnishes and explosives; they may also be used in …