The beauty of the Starc bands is that they are one of the few indictors than can give you an objective reading on whether it is a high- or low-risk time to buy or sell.

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Anchor Hill was found to have a reading of 47.7 micrograms per cubic metre, with the government's objective level being 40 micrograms.

BBC: Air pollutants in Woking above government target levels

In those same days I was studying Spanish, reading screen plays and looking at other interests that might become passions of mine, but the objective is not idleness.

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