They were clad in grey overalls and looked curiously alike.
At half past three there was a knock on Alex's door and a young black man appeared, wearing the grey overalls of the security staff.
About five minutes later, the three men reappeared, now dressed in their grey overalls.
There was a guard sitting in a chair, wearing grey overalls and a cap.
The woman in the grey overalls took her arm and helped her down from the van.
Men in grey overalls were going in and coming out.
They are all dressed in the same grey overalls while carrying large pipes.
His neighbour always wore grey overalls when he went to work.
One of them was being wheeled out by three men in gray overalls.
The Monday morning white-collar rush hadn't begun, but now and then he met a maintenance man in gray overalls.
