Collocations for industrial action - noun

continuing | unlawful

take | threaten | call for | vote for | start | step up
The union is considering stepping up its industrial action.

suspend | stop | take part in, be/become involved in
His research indicates an increase in the number of women involved in industrial action.

support

~ against
The union is threatening industrial action against the company.

~ by
industrial action by railway workers

~ in support of
industrial action in support of demands for a ten per cent salary adjustment

~ over
to take industrial action over pay