DUWHuybrchtsTata Steel TubesWalonZegwaardStrike, against the sacking or punishment of a colleague - 1932Strike, wage raise - 1946Strike, wage demands excluding wage raise - 1947Strike, secundary - 1947Strike, state regulations regarding labour conditions - 1982Strike, wage raise - 1989Strike, directed against certain individuals - 1994Strike, wage raise - 1898Strike, wage raise - 2002Strike, - 2004Strike, wage raise - 2006blockade, wage raise - 2007Strike, refusal of short time - 2007Strike, wage raise - 2018Strike, wage raise - 2001Strike, collective agreement demanded by the employees - 1915Strike, wage raise - 1917Strike, wage raise - 1906Strike, wage raise - 1920Strike, wage raise - 1919Strike, - 1921