This is a pill surrounded of the nuclear sign. It means that if there is an accident, pills are available to protect citizens' health. Although Nuclear Power is a secure method of producing electricity, each Swiss citizen who lives within 20 km of a nuclear plant receives a pack of Potassium Iodine. Information (1) http://en.wikipedia.org/wiki/Potassium_iodide / Information (2) http://www.mandcgroup.ie/iopen24/blog.php?blog_id=153 Information (3) http://saveourbones.com/iodine-your-thyroid-and-your-bone-health/
These are images from my 2010 travels I've converted with this command:
for i in *.jpg; do convert "$i" "`basename "$i" .jpg`.png" && autotrace -despeckle-level 15 -color-count 6 -input-format PNG -output-file "`basename "$i" .jpg`".svg -output-format svg "`basename "$i" .jpg`.png"; done