Officials have created a 100ft-wide safety zone fearing the top of the sinkhole is growing.
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The rebels have recently pushed into an area declared a safety zone for civilians fleeing the fighting.
The best spot was the safety zone where the Market Street trolleys stopped.
The firefighters reached their safety zone, a widened natural meadow, and discovered that the fire was quickly moving toward themy.
In Ozark, school officials decided to begin strictly enforcing a 15-foot safety zone around school buses required by state law.
On Aug. 20, through the din of chainsaws, they could hear their fire lookouts yelling for them to head to the safety zone.
There are heart-stopping scenes in which Japanese soldiers barge into the safety zone, and, now and then, sickening intimations of the holocaust outside.
To prevent that, controllers must keep a hockey-puck-shaped safety zone at least 5 kilometers in diameter and 300 meters thick around each plane.
The hole was originally reported to be 100 feet across, but that is the diameter of the safety zone surrounding it, Bracken said.
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But as the heat rose and the winds increased, they had to give up and move to the very center of the safety zone.
Some elevated levels have been found in soil samples 25 miles northwest of the plant, although no plans were reported to expand the safety zone.
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But the biggest concern wasn't being burned in the safety zone it was the fear of a flashover, which would result in a lack of oxygen.
Early estimates put it at 20ft (6m) deep and 30ft in diameter but officials have created a 100ft-wide safety zone fearing the top of the sinkhole is growing.
One lane of the M4 westbound, in the same place, will be shut on Tuesday and Wednesday night to create a safety zone while work is carried out on the central reservation.
In the safety zone, a guy would flip you a nickel, you'd hand him his paper and then dig around your pockets, like you had to hunt around for two pennies change.
It's only when you're outside in the dark that you look back and see that the safety zone you always took for granted wasn't a safe zone at all -- just a temporary reprieve from disaster.
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Lessons have been learnt, including that a minimum safety buffer zone of 1, 640ft (500m) is established before firing smoke rounds.
While the safety of euro zone economies is still considered essential to maintaining the strength of the German economy, the time for German fiscal aid to Athens may quickly be passing.
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Even those that could perhaps afford to run a counter-cyclical policy to offset the effects of the downturn are squeezing public finances in part because they think that cutting deficits will help them reach the (presumed) safety of the euro zone.
Another option is a buffer zone to offer safety for civilians fleeing the violence and a base for the FSA. This is not being encouraged by Western allies, either.
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The safety-net beneath the euro zone's third- and fourth-biggest economies is flimsy, and investors know it.
Southend are five points adrift of safety in the League One relegation zone, and manager Steve Tilson believes off-field problems are not helping their form.
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While Iraq's parliamentarians have been quarrelling in the safety of Baghdad's green zone, the country has entered the early stages of a sectarian war.
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That would be less of a worry if the euro zone had a stronger safety net for countries that have fallen foul of bond markets.
There was no New England receiver near the ball's landing spot, and Brady was penalized for intentional grounding in the end zone a safety that gave the Giants a 2-0 lead and an early swoosh of momentum.
With three games left Hull are in the Premier League relegation zone, three points off safety.
Any uptick in sentiment for the euro zone can detract from any safety flight into gold in the short term, said Adam Klopfenstein, senior market strategist with MF Global.
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Instead of punting out of their end zone, the Ravens took a safety with four seconds left in the game.
Germany's borrowing costs fell to fresh record lows at an auction Wednesday as the prospect of new elections in Greece and the cash-strapped country's possible exit from the euro zone sparked an investor flight to safety.
They are still in the Championship relegation zone, now three points adrift of safety with eight games left.
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