Susanne Michelic and Kathrin Thiele visited colleagues at the Mc Master University in Hamilton, Canada. Within the CD-lab a cooperation regarding studying the inclusion behavior in the system steel-slag using High Temperature Laser Scanning Confocal Microscopy with the team of Prof. Neslihan Dogan exists. Thanks to all colleagues at Mc Master for their hospitality, the insight in different research topics and the fruitful discussions we had!