The classified communications equipment had not been properly shielded to protect messages from eavesdropping.

"Properly shielded, they wouldn't scan anything like explosives, only the EM fields."

If not properly shielded from each other, many problems can result including poor frequency response, noise performance, and distortion.

Andrew, always properly shielded from any domestic servitude, was muddling about in the kitchen now, a foreign place to him.

"Not if the ship is properly shielded, sir."

Kirk swept the high-power beam to create a line of fire, probing for any field emitter that might not be properly shielded.

If Hegemony citizens are properly shielded, there need be no casualties whatsoever.

Now the Stone was properly activated, properly shielded, and under supervision.

If providers have used such cheap gear that they are not properly shielded, that too would cause a problem," he said.

A small outpost, properly shielded, might go undiscovered for years on Selva.