Brush HMADe Jong IntratoursMeiko NederlandRoosSplunderStorkStrike, wage raise - 1956Strike, wage demands excluding wage raise - 1993Strike, wage raise - 2001Lockout, workers refused to accept a wage cut - 1922Strike, against the results of a reorganization - 2003demonstration, state regulations regarding labour conditions - 2006Strike, wage raise - 2017Strike, - 1919Strike, against a wage cut - 1977