<http://schema.org/description>
"Construction vehicles may look complicated, but they're easy to draw if you break them down into their basic parts. Learn how to draw construction vehicles -- including cranes, mixers, bulldozers and more -- with the step-by-step instructions in this article."^^<http://www.w3.org/2001/XMLSchema#string>
<http://lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-construction-vehicles2.htm>