| 21. | In the plumbing trade the size of copper tubing is measured by its outside diameter in millimetres.
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| 22. | Friction caused by the drilling operation will tend to reduce the outside diameter of the drill bit.
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| 23. | To prevent damage, standard barricades are made of 16-gauge steel tubing, measuring 1.5 inches on the outside diameter.
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| 24. | The locomotives were superheated, with a superheater area of and fifteen elements of outside diameter and a bore.
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| 25. | Each ring had an inside diameter of about 5 mm, and an outside diameter of about 7 mm.
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| 26. | The outside diameter of the sleeve is ground and polished serving as the journal surface of the bearing.
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| 27. | The outside diameter of both the crescent and the red inside circle intersects with the diameter of the star.
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| 28. | This model has a modified cocking handle support to account for the slightly larger outside diameter of the suppressor.
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| 29. | Type K inch, type L inch, and type D inch ACR all have the same outside diameter of inch.
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| 30. | A circular trench was excavated on the top of the hill above the quarry to an outside diameter of.
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