1. Specify path surfaces

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    #176778187 0 1 0 0

  2. Specify whether roads have lane markings

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    #176778141 0 1 0 0

  3. Determine the heights of kerbs at crossings

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    #176778133 0 3 0 0

  4. Survey buildings

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    #176737609 0 2 0 0

  5. Survey buildings

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    #176704762 0 1 0 0

  6. Survey buildings

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    #176673146 0 1 0 0