1. delete double/tripple tagging

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  2. key/value change. -> specification - > most used key/tag // add description:emergency

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  3. key/value change. -> specification - > most used key/tag // add fire_station:type

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  4. key/value change. -> specification - > most used key/tag // add fire_station:type

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  5. key/value change. -> specification - > most used key/tag // add fire_station:type

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  6. key/value change. -> specification - > most used key/tag // add fire_station:type

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  7. key/value change. -> specification - > most used key/tag // add fire_station:type

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  8. key/value change. -> specification - > most used key/tag // add fire_station:type

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  9. key/value change. -> specification - > most used key/tag // add fire_station:type

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  10. key/value change. -> specification - > most used key/tag // add fire_station:type

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  11. key/value change. -> specification - > most used key/tag // add fire_station:type

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  12. key/value change. -> specification - > most used key/tag // add fire_station:type

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  13. key/value change. -> specification - > most used key/tag // add fire_station:type

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  14. key/value change. -> specification - > most used key/tag // add fire_station:type

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  15. key/value change. -> specification - > most used key/tag // add fire_station:type

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  16. key/value change. -> specification - > most used key/tag // add fire_station:type

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  17. key/value change. -> specification - > most used key/tag // add fire_station:type

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  18. key/value change. -> specification - > most used key/tag // add fire_station:type

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  19. key/value change. -> specification - > most used key/tag // add fire_station:type

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  20. key/value change. -> specification - > most used key/tag // add fire_station:type

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