The act also protects employees who engage in a "concerted activity".

It protects the right of workers to engage in any "concerted activity" for mutual aid or protection.

The law, it held, protects only "concerted activity" by a group of employees.

The court identified these reasons as protecting society from concerted criminal activity and the social threat posed even by an inchoate crime.

The Act does not limit the manner, time, or place in which employees can engage in concerted activity.

This is why I expect concerted European activity with a strong international component.

Without these exchanges, we would be exposed to concerted, cross-border criminal activity, with no chance of responding appropriately.

The constraints of concerted activity nibble away at the pandemic gloom.

Such concerted activity has become almost second nature to the Republicans.

The most concerted activity has been in the South.