Close-up of wooden chips used for the manufacture of pulp,a moist mixture of cellulose fibres,from which paper is made. The wooden chips are steamed and chemically digested in large pressurised vessels. A bleaching process is necessary to obtain pulp for the manufacture of white paper | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guicciardini, Tommaso |
Bildgröße: | 5249 px × 3473 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |