11.   Throughout the area, IFOR helicopters circled overhead as an added precaution.

12.   Local election officials interviewed at various polling stations said the vote was proceeding smoothly and no alcohol was being sold or served in teh village as an added precaution.

a. + precaution >>共 153
extra 16.71%
special 9.86%
necessary 6.29%
simple 4.29%
proper 4.14%
additional 2.86%
sensible 2.86%
adequate 2.57%
extraordinary 2.29%
reasonable 2.14%
added 1.71%
added + n. >>共 848
cost 3.87%
pressure 3.58%
bonus 3.03%
benefit 2.88%
security 2.50%
incentive 2.39%
advantage 1.89%
weight 1.86%
burden 1.51%
protection 1.46%
precaution 0.35%
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