Doan Pendleton, Vice President of Sales and Marketing at VAC-UMAX, is an expert in vacuum technology with over 20 years of experience designing and engineering vacuum conveying systems and industrial vacuum cleaners. VAC-U-MAX, 69 Williams Street, Belleville, NJ 07109; 1-800-Vac-U-Max (800-822-8269); info@vac-u-max.com; www.vac-u-max.com