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| Q. |
Which of the following is true about shielded metal arc welding? |
| A. | equipment cost is high |
| B. | cannot weld different types of metals |
| C. | cannot be used for metal sheets under 1.5mm thickness |
| D. | entire electrode can be used |
| Answer» C. cannot be used for metal sheets under 1.5mm thickness | |
| Explanation: the following are some | |
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