Freddie Mac limited employee trading of its stock beginning in June 2003, periodically allowing workers to sell shares during brief windows.
They have dealt with the burdens of this model by periodically "downsizing" older workers or encouraging them to take early retirement.
Among the greatest concerns was the refresher training that workers periodically receive on safety issues, and which the reports characterized as insufficient.
Videos on television showed cranes working around some of the collapsed buildings, while aid workers periodically called for silence to try to detect signs of life under huge chunks of concrete.
Education should be repeated periodically All healthcare workers should be fit-tested for N95 respirators on hire with the result documented in their files.
Another prisoner, Walid bin Attash, who had previously had a leg amputated, said that when he was forced for days to stand with his arms shackled above his head, a health worker periodically measured the swelling in his intact leg and eventually ordered that he be allowed to sit.
The nurse may come and check the vital signs periodically the social worker may come in to talk about the patient's length of stay or physical comfort.
A more interesting solution, proposed by the Copenhagen experimenters, would be to create "Internet breaks," allowing workers to periodically spend a few minutes online.
Air pollution had turned the palace's snowy marble dome surface brown, so workers would periodically clean it by putting clay on the dome's exterior and then peeling it off.
Periodically, a group of workers would walk into the supervisor's office, state their years of service and current pay rate and argue that they were worth more.
Throughout the ensuing two hours, workers would periodically shuffle through the room and ask me to switch sofas or gently prod me in one direction or the other so that they could clean up or rearrange chairs.
