This simple conveyor is created by only two strokes (but not many strokes as it appears), this is achieved by having two widen strokes with dotted line style, which allows the simplest and easiest maintenance yet ensuring smallest possible footprint. Further enhancement can be made based on similar concept.
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/
Common European Framework of Reference for Languages have five skills to measure how command a concrete language. One of this five skills is Spoken Production.