![](http://www.alamy.com/thumbs/6/2D4B7158-935F-4CC5-82D4-81228D7242BB/2ADN10M.jpg)
Keyboard key. Coloured scanning electron microg- raph (SEM) of a dirty key from a personal computer (PC) keyboard. Dirt and accumulated grime (green)
Keyboard key. Coloured scanning electron microg- raph (SEM) of a dirty key from a personal computer (PC) keyboard. Dirt and accumulated grime (green) are seen on the key. Magnification unknown.
Size: 2848px × 2290px
Photo credit: © VOLKER STEGER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: computer, device, dirt, dirty, hardware, high-tech, home, household, keyboard, pc, peripheral, peripherals, personal, sem, tear, technology, wear