Strike, diminished working hours - 1985Strike, secundary - 1972Strike, secundary - 1972Strike, organization of work - 1953Strike, wage raise - 1953Strike, state regulations regarding labour conditions - 1963Strike, wage raise - 1976Strike, against massive lay off - 1983Strike, other demands - 1985Strike, wage demands excluding wage raise - 1986Strike, against the punishment of a spokesman of the workers - 1986refusal to work, against understaffed work - 1988refusal to work, general politics - 1989Strike, wage raise - 1914Strike, against a wage cut - 1977