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The Tight-In-Pipe restoration method from TT Technologies Inc. is designed to restore failing sewer and water lines by using a hydraulic pulling unit and guide head that pulls the replacement pipe into place. The head features slide rollers, engineered to remove small to medium deformations, restoring the pipe’s circular profile. No annular filling is required. For more information: 800/533-2078; www.tttechnologies.com; Expo booth 8197.1