Strike, against the results of a reorganization - 2008Nothing happened, - 2014Strike, for better safety - 2011Strike, for better safety - 2016Strike, wage raise - 2016Strike, against the results of a reorganization - 2016demonstration at the factory gate, state regulations regarding labour conditions - 2018demonstration, collective agreement demanded by the employees - 2016Strike, - 1914Strike, collective agreement demanded by the employees - 1922