| 41. | Spindles are powered and impart motion to the workpiece.
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| 42. | There is also the contact resistance between the welding electrodes and the workpiece.
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| 43. | It is possible to raise the table ( where the workpiece rests ).
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| 44. | Conventional twist drill bits tend to wander when presented to a flat workpiece.
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| 45. | Either the workpiece or the tool holder is rotated.
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| 46. | The operation is performed for producing indentations on a part of a workpiece.
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| 47. | The lap is then used to cut a harder material the workpiece.
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| 48. | This heat reduces blade life and makes scorching of the workpiece more likely.
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| 49. | Lubrication is often used to keep the workpiece from sticking to the rolls.
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| 50. | Additional electrodes make it possible to weld thicker workpieces.
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