He said drivers would be given no warning of where the sensors were located.
He had worked last Friday but seemed fine, and said "there were no warning signs".
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There had been no warning from the forest department about the movement of the elephants, he added.
On Monday, FBI Director Robert Mueller insisted the agency had "no warning signs" of last week's attacks.
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Investment results in 2008 showed clearly that correlation of asset classes varied unpredictably and with no warning.
The noise from an on-site generator meant the track gang had no warning about the trailer's approach.
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Mr Jacob and Mr Kenzig had been standing in a prohibited area but there were no warning signs.
Nadal, who had gone past 25 seconds after another long point in the first set, with no warning, ignored it.
Like all major tennis players, Nadal, who has won 11 Grand Slams, is tested wherever he travels with no warning.
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No warning was given before the blast, according to police spokesmen, and there were no immediate claims of responsibility for the blast.
No warning shots were fired, the Admiral told the Pentagon press corps on January 7th, via teleconference from his headquarters, in Bahrain.
Another survivor, Andi Prasetyo, who is now staying at a hotel, said everything appeared fine and there was no warning of any problem.
Prosecutor Iain McSporran said there was no warning that a vehicle was coming and Dickson had driven on the wrong side of the road.
It's that suddenly, he's driving a vehicle that doesn't handle very well and there's no warning that it's going to get away from him.
He recounts a story from his Apple days when Jobs, with no warning, told Fadell to include a custom AC adapter for the iPhone.
"There were no warning signs that I'm aware of that would indicate this type of operation in the country, " FBI Director Robert Mueller said Monday.
You see, the reason it was so difficult to find my Lance Armstrong is that most aneurysms give no symptoms, no warning, before they rupture.
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It is becoming more widely used and accepted, however, particularly by volcanologists who suddenly, with no warning, find that they have a book to sell.
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She said the family had no warning that Maclean had violent tendencies and says a "catalogue of errors" prevented this information from being imparted to the family.
The institute doesn't expect additional volcanic activity soon, though steam may appear, ash may be ejected and rocks may fall "suddenly with little or no warning, " it said.
No warning, no thinking that this might be emotional for a mother or dad to get through just an eruption from deep within me where my body literally shook.
But - and it's a big but - as I drove into work this morning it still hadn't been fixed, there are no warning signs, and the near misses are continuing, believe me.
"This India development really caught the entire cotton industry and traders off guard because it came with no warning, " Phil Flynn, senior market and commodities analyst with PFG Best, told CNN last week.
And then we had those very dangerous flash floods in Toowoomba and into the Lockyer Valley that cost people a lot of -- a lot of lives were lost because there was no warning.
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With no warning one weekday morning, investigators entered an organic grocery with a search warrant and ordered the hemp-clad workers to put down their buckets of mashed coconut cream and to step away from the nuts.
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