21.   Eventually, it could be developed to work like metal detectors in airports, quickly screening people for explosives at the entrances to public places, Tepper said.

22.   For their benefit and ours, we try to make sure that we screen people out that are more comfortable with a slower pace.

23.   If doctors can screen people to find those at risk, they can develop ways to prevent the onset of disease.

24.   It goes a step further than an April arrangement between KLM and the Antillean government, which screens people just before boarding.

25.   Movement within the convention center and a connecting hotel remained open, with metal detectors screening people at all entrances.

26.   As well as the now-standard metal detectors, Atlanta security officials will use palm scanners to screen people entering some Olympic venues.