It is a long distance from any bases in Antarctica.

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"Selling petrol is one way in which we express and serve society, but it is by a long distance not the only one, " he said.

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It is generally better when a call for help is local, not long distance.

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Most of them view it as a waste of time but a handful say that compared to making a long-distance phone call, it is still an inexpensive way to communicate with their friends and family who live in other countries.

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It has just linked with Qwest, a new telecoms firm that is building a high-capacity long-distance network along old railway lines.

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