1.   Both of them wore blue masks to filter the pollution, although the health agencies said this would do little good against the tiniest particles of haze.

2.   It was easy to spot the new goalie, Bill Ranford, by his unBruin-like blue pads, blue blocker, blue catching glove and blue mask.

3.   Members of the medical team smiled behind their blue masks.

4.   Diana, in blue surgical mask and gown, was present throughout the operation, performed by leading surgeon, Sir Magdi Yacoub.

5.   Four doctors, wearing blue surgical masks, amputated the hands and feet of the men, who were anesthetized and had their faces covered with scarves.

6.   On Wednesday, Mexican soldiers wearing blue masks over their mouths sweated under the noon sun to lift boulders that had fallen from toppled domes into church courtyards.