| 21. | The current use of fossil fuels enhances any of these three conditions.
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| 22. | First published in the 19th century, it is still in current use.
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| 23. | However, the older and the newer designations are both in current use.
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| 24. | The only current use of X is on Route AX in Macon County.
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| 25. | Examples of this form of domestic water heating are still in current use.
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| 26. | The most common type of fuel gas in current use is natural gas.
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| 27. | Its primary current use is for Zacatepec Siglo XXI ( 2014 present ).
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| 28. | Bridges are listed under their current use or traffic.
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| 29. | They were adapted for their current use in 2001.
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| 30. | The tides of current use are what count.
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