Informative illustration examples

Here are three informative illustration examples that i thought were good.

http://www.japanquakefacts.com/uploads/gallery/thumbs/s600_gallery-7-1300448960_radiation_levels_explained.jpg

http://www.posttypography.com/site/images/uploads/2008/02/ad_greenschool.jpg

http://www.google.com/imgres?q=good+informative+illustration&um=1&hl=en&client=firefox-a&rls=org.mozilla:en-US:official&biw=1186&bih=644&tbm=isch&tbnid=8XAj6LIiBy5mlM:&imgrefurl=http://www.skyscrapercity.com/showthread.php%253Fp%253D59495589&docid=8xkpc5aqvYvwSM&w=1599&h=849&ei=4d9KTuL-OLCjsQKnxJipCA&zoom=1


My three ideas are

1. How to build a computer

2. How to make a knife

3. How to build a proper campfire