The system GAAS80 is used in fi xed welding plants for joining short rails to long welded rails. It forms the core item in the welding plant. The system GAA100 is used for welding of turnout components such as welding of rails to frogs or for switchblades. Schlatter machines are very rigid in design and are well known for their high productivity, reliability and long life. Many machines from the fi rst series, commissioned roughly 30 years ago, are still in daily use.