| 21. | It lays 2 3 brown eggs in an unlined tree hole nest.
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| 22. | The uncontrolled unlined rock cut spillway is capable of discharging.
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| 23. | The residual length of the tunnel in unlined and circular in diameter.
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| 24. | It is unlined, and was never varnished or waxed.
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| 25. | The surrounding verandah has steel supports and unlined timber purloins.
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| 26. | The interior of the hut is unlined and has a wooden floor.
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| 27. | It is unlined, and retains the original brick fireplace.
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| 28. | The floor is timber boarded, and the roof unlined.
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| 29. | In some spaces the timber frame of the floor above is unlined.
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| 30. | Eaves are unlined and eaves gutters are quad-profile.
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