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| Q. |
Which of the following materials can be machined using ECM? |
| A. | hard nonconductive materials |
| B. | hard conductive materials |
| C. | all nonconductive materials |
| D. | none of the mentioned |
| Answer» B. hard conductive materials | |
| Explanation: hard conductive materials can be machined and nonconductive materials cannot be machined using ecm. | |
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