Tuesday, April 2, 2013

Dust and dirt...yuck

Scientists believe that more than 43 million tons of dust falls over the U.S. every year. Indoor air usually contains about twice as much dust as the air outside. That’s a million microscopic particles in a cubic inch of air. About 2,000 dust mites can live happily on one ounce of carpet dust. We get rid of the dirt..

No comments:

Post a Comment