The United Nations will later make periodic checks of some refugees to monitor their resettlement.

This would have to be a tamper-proof pumping device that received periodic checks from a supervisory agency.

A periodic check of susceptible foodstuffs is necessary, especially in summer months when most insects are more active.

"It's only fair to tell you, incidentally, that periodic checks are made on all our service employees."

I suppose they could strike me off, drumming up business, but I do think that you should have periodic checks.

Another group stood on a balcony discussing plans for the night, but soon two police officers arrived for their periodic check.

The index undergoes periodic checks to examine the accuracy of the estimates over time.

It also called for periodic checks by the states to see if family conditions had improved enough so that children could go home.

Police have been making periodic checks of cars to check for drunk motorists.