Symposium on Welding in Shipbuilding. Symposium on Welding in Shipbuilding Welding in shipbuilding/ Symposium on the Design of High Buildings. Internatinal Symposium on Practicla design in shipbuilding. Symposium on Hydrogen Bonding Symposiu on the Design of High Building The use and welding of aluminum in shipbuilding / Wyt's digest of Dutch shipping and shipbuilding.