| 1. | Carbon brushes, which are often used, would not weld.
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| 2. | The introduction of the carbon brush had convenient side effects.
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| 3. | Each dark grey carbon brush has a short flexible copper jumper lead attached.
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| 4. | Carbon brushes are one of the least costly parts in an electric motor.
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| 5. | An electrolytic spindle with carbon brushes, acting as a commutator, holds the wheel.
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| 6. | Manufacturing of carbon brushes requires an in-depth knowledge of materials and experience in mixture compositions.
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| 7. | The company was founded by Ludwig Schunk and Karl Ebe in 1913 in Fulda to produce carbon brushes.
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| 8. | Ludwig Schunk and Karl Ebe in 1913 founded the carbon brush factory Schunk + Ebe oHG in Fulda.
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| 9. | Modern rotating machines with commutators almost exclusively use carbon brushes, which may have copper powder mixed in to improve conductivity.
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| 10. | The use of three-phase AC power and inductive pickup eliminated the carbon brushes, and further simplified the design.
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