Sandpaper. Coloured scanning electron micrograph (SEM) of the surface of advanced sandpaper showing the regular pyramidal arrangement on its surface. Sandpaper is designed to smooth rough surfaces by taking off their upper layers,and this type consists of tiny raised pyramids which are highly durable and abrasive. Magnification: x15 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Steger, Volker |
Taille de l’image : | 2944 px × 2290 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |