The workers who have not returned sometimes know one another.

No social workers knew about them and none came to visit.

But the worker did not know how much to believe the 5-year-old girl.

"At least new workers know what they're getting into when they get hired."

In each store, the workers knew the two men by name.

They will simply let a worker know that his or her performance was below standard.

"You are important to us," he wants the workers to know.

In general, workers do not know how their job is classified.

The fact that workers do not know their rights is another important factor.

What you say is true, but the workers at the Center know these people.