Deputy John Gollop said it could be part of a three-tier system offering different types of buses for different purposes in Guernsey.

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Graham Newman, cabinet member for education, said it was a "fact" that pupils educated within a two-tier system outperformed those educated within a three-tier system.

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The RAC also wants to see the introduction of a three-tier warning system for over-the-counter drugs so drivers know at a glance which drugs pose a driving hazard.

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Both Delta and US Airways have a three-tier redemption structure, offering seats at the basic level, a midtier level at around 40, 000 miles for a domestic coach ticket and a full-fare level for as many as 60, 000 miles for domestic coach round trips.

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The three-tier system can be a very good thing.

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Bradford eliminated a team from the second-tier (Watford) and three Premier League clubs (Wigan, Aston Villa and Arsenal) on its way to Wembley.

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The U.S. has three to four top-tier WTO law firms and about a dozen other law firms that have WTO practices.

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There is also a difference from three to four years ago, when everyone was focused on tier-one cities.

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But Munster's 28-14 triumph against the Exiles means the Ospreys finished a disappointing third in Pool Three - therefore missing out on the consolation prize of qualification for the second-tier Amlin Challenge Cup.

BBC: Heineken Cup: Ospreys 29-17 Toulon

The standard was raised six times during the Clinton administration, the last of which raised the tier-three requirement to 85, 000 MTOPS, about the level of a networked system with 32 Intel Pentium III chips.

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