In a conference call they decided to take a two-tiered approach to their quick response.

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"They've taken a tiered approach to servicing, so the more money you have, the more personalized attention you have, " says Worthington.

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He said the all-Wales obesity pathway sets out a four tiered approach for the prevention and treatment of obesity, from community based intervention to specialist medical and surgical services.

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Yes, wireless providers have steadily moving towards a tiered payment approach with their Internet products: go over a certain limit and, as with your cell phone bill, you can expect to pay extra.

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