In the midst of the bustling show floor at Clean ’07 (June 11-14) in Las Vegas, 10-year-old Chase Dudley watches intently as an automatic towel-tying machine binds plastic cords around bundles of bar mops in the Felins USA Inc. booth. A conveyor swiftly moves the towels through this automated system, a version of which Chase’ father, Brad Dudley, recently bought for his company, Servall Uniform & Linen Supply, Rapid City, SD. 
 
The elder Dudley is a fourth-generation owner/operator. He brought his family along to see a magic show and other family-friendly entertainment in Las Vegas. His son ...