MODEL RELEASED. Polythene tubing manufacture. The machine at bottom blows air into molten plastic to form a polythene tube. This is building grade polythene made from recycled plastic. It is coloured yellow to indicate that it is impermeable to carbon dioxide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / King-Holmes, James |
Taille de l’image : | 4096 px × 5304 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |