Aircraft releases fire retardant. An airtanker releases fire retardant over land projected to be in the path of a forest fire. Fire retardants are normally composed of ammonium sulphate or ammonium polyphosphate with various additives such as thickeners,wetting agents and preservatives. They are often coloured red to indicate areas where the retardant has fallen. Photographed in 2000 in Wyoming,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Greer, Kari |
Taille de l’image : | 5547 px × 3685 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |