Chuck Yung is a technical support specialist at the Electrical Apparatus Service Association (EASA), and Cyndi Nyberg is a former EASA technical support specialist. EASA is an international trade association of more than 2,100 firms in 50 countries that sell and service electrical, electronic and mechanical apparatus. EASA, St. Louis, MO, 314-993-2220, Fax: 314-993-1269, www.easa.com.