<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eba07f592b8_-_slow-cooker-basics-031512-3-xl.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g763/how-to-use-a-slow-cooker/>