<http://schema.org/description>
"Some of us don&amp;#039;t think crooked kitchen cabinets are delightfully quirky or that uneven tiles give the bathroom floor personality. Some of us want things to be straight. Is a laser the answer?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/laser-level.htm>