If you drop a mercury thermometer, you should carefully clean up the mercury, which beads up into nice little silver-colored balls.

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"You are not seeing the value that we should be seeing for the clean-up and the environment, " said Pollet, who heads Heart of America Northwest.

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However, users should note at least 1GB of storage is needed to download iOS 6.1, so you may have to clean up some space on your device beforehand.

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