<http://schema.org/description>
"If you&amp;#039;re a home maintenance buff, you know that every second counts. And that&amp;#039;s why, instead of spending your whole day hammering in nails manually, you know it&amp;#039;s worth it to use a nail gun. Nail guns are trusty, reliable, safe and easy to use. But before you get your finger on the trigger, take this quiz to learn how they work."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/do-you-know-how-a-nail-gun-works-quiz16.htm>