Infrapipe senior staff spent a week in conference with other Krah users, sharing the secrets of their latest applications of the  world’s most impressive pipe system. From repairing huge Tokyo sinkholes in a week to restoring Philippine hydropower pipes wrecked by earthquakes to rice farming in Argentina to outfalls laid through Egyptian quicksand (2kpa) to the innovative Tree-Tube system, there were lots of examples of how spiral wound PE improves infrastructure.