They had to make their way through tight security, including metal detectors and bomb-sniffing dogs.
Yet we have huge faith in these metal detectors that can only pick up one substance.
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There were soldiers pouring out of these trucks, but they were armed only with metal detectors.
Price Middle School has about 400 students and has metal detectors at the doors, Davis said.
They will soon begin burying radio-transmitting metal detectors alongside elephant trails leading into the park.
Everyone must go through metal detectors on entering, and nearby roads and bridges will be closed.
Everyone will go through metal detectors on their way in, and nearby roads and bridges will be closed.
In Amsterdam, metal detectors and X-ray machines were in place, but the advanced scanning technology was not available.
Some students say they want the administration to install security features such as extra cameras and metal detectors.
But archaeologists do know the consequences of rogue treasure hunters armed with metal detectors descending on a valuable site.
"We checked the field with metal detectors, and interviewed people there, " he said.
They made their way through tight security, including metal detectors and bomb-sniffing dogs.
Sgt Shavack said the gunman opened fire before passing through lobby metal detectors.
Els has called for metal detectors to be introduced at tournaments to prevent players being disturbed by mobile phones.
The controversial technology, first used in a U.S. airport in 2007, can find hidden objects that metal detectors can't.
The usual paraphernalia of Russian demonstrations went with them: malfunctioning metal detectors, hordes of riot police in rickety buses.
As a result, some movie theaters now use metal detectors, bag searches, and cell phone checks at the door.
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Since metal detectors are designed to distinguish gold from iron junk, he dug whenever the machine told him he was passing over rubbish.
Under the Merida Initiative, the United States will provide extra kit (such as night-vision gear and metal detectors) and training.
But how often do we overlook the fact that we put metal detectors in some schools rather than deal with guns?
In the average case, you don't have metal detectors at the door to the courtroom, too, but it's been done before.
Afghanistan's only five-star hotel is also a virtual fortress, surrounded by blast barriers, metal detectors, multiple reinforced gates and heavily armed guards.
The gated complex includes blast doors, reinforced windows and a series of metal detectors that visitors must navigate before reaching embassy offices.
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All visitors are security checked and have to pass through metal detectors.
With the opening of the centre, sightseers will pass through metal detectors and queue up for tours amid air conditioning and plentiful lavatories.
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Entering the courtroom requires passing through metal detectors twice - first in the courthouse lobby and again in the hallway outside the courtroom.
Metal detectors will be positioned at the end of the gangplank, while sniffer dogs and uniformed and plain clothes policemen will stand guard.
He's deaf, and rather than relying on the high-pitched whine of the metal detectors he keeps a close eye on its digital display.
Six of these airports are testing the machines as a primary security check option, instead of metal detectors followed by a pat-down, she said.
Johnson said the government was directing airports to carry out more random searches of passengers because metal detectors cannot spot explosives without metal parts.
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