Thomas Ackermann (47), highly qualified specialist for pipeline, sewer and industrial services with Willi Schwalm, owner Martin Schwalm e. K., Bad Hersfeld, Germany, celebrated his 25th anniversary in the company on September 14, 2012. Martin and Angelika Schwalm and all employees at Schwalm Kanalsanierung and Schwalm Robotic GmbH congratulate him in that regard.