1-800-SWEEPER member Contract Sweepers & Equipment, a Columbus, OH parking lot sweeping service company, is using green technology to provide better service the needs of their parking deck customers.  According to a story written by Ken Wysocky appearing in Cleaner, the company recently invested in two Cyclone parking deck surface cleaners manufactured by Nilfisk-Advance Inc.  These new, green machines represent a significant improvement over more traditional techniques and equipment used to scrub parking deck surfaces. …