Vacuum cleaner bag contents. Coloured scanning electron micrograph (SEM) of the contents of a vacuum cleaner bag after cleaning a house. Household dust includes dead insects (as seen here,blue),shed skin,hairs,pollen grains and fungal spores. Some of these may cause allergic reactions in susceptible people. Magnification unknown | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Steger, Volker |
Taille de l’image : | 2848 px × 2290 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |