Plastic suction cups holding a shower caddy to a glass wall. Pressing the suction cup to a smooth,non-porous surface reduces the internal air pressure and creates a vacuum. The higher external air pressure holds the cup against the surface and friction prevents it from sliding | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Terry, Sheila |
Bildgröße: | 5246 px × 3390 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |