Modern furniture - onmouseover="return window.status='http://seattletimes.nwsource.com/html/homegarden/2004358857_askmartha19.html?syndication=rss'" onmouseout="window.status=''" href="http://seattletimes.nwsource.com/html/homegarden/2004358857_askmartha19.html?syndication=rss">What to look for in upholstery, and how to give a switch plate a fresh look

Q: While shopping for furniture upholstery, I came across something called the "Wyzenbeek rating. " What is this, and how should I use it... modern furniture