MODEL RELEASED. Friction test for shoes. The tester is walking down a smooth slope wearing a pair of new shoes. The inclination of the ramp can be adjusted until the shoes can no longer grip the surface. This gives an indication of the grip of the soles of the shoes | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CROWN COPYRIGHT |
Taille de l’image : | 2419 px × 3638 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |