Job action and Sit-down

Job action noun - A temporary action by workers to protest management decision or to make demands.

Sit-down and job action are semantically related. In some cases you can use "Sit-down" instead a noun phrase "Job action".

Sit-down noun - A strike in which workers refuse to leave the workplace until a settlement is reached.

Job action and sit-down are semantically related. Sometimes you can use "Job action" instead a noun phrase "Sit-down".