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| Q. |
The metals having good weldability, in descending order are |
| A. | cast steel, iron, carbonsteel, castiron |
| B. | carbon steel, iron, cast steel, castiron |
| C. | iron, carbonsteel, cast steel, castiron |
| D. | castiron, iron, carbon steel, cast steel |
| Answer» A. cast steel, iron, carbonsteel, castiron | |
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