Changes in perception may be needed as JTC are now looking into heading downwards for spaces housing people -- rather than oil -- in the form of an underground science city.

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But most people in these communities had deep personal as well as economic adaptations to make, changes in self-perception, role, usefulness, fulfillment and potential.

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Depending on the number of people voting, it is hard to know if the changes in percentage actually demonstrated any significant change in perception.

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Tests have shown that even slight changes in paper content will cause people to order more -- or less -- due to their perception of the quality of the product.

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