MCQOPTIONS
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| 1. |
The_flat_ends_of_a_boiler_are_prevented_from_bulging_out_and_are_strengthened_by_means_of__________ |
| A. | connection of plates at right angles |
| B. | gusset stays |
| C. | welding |
| D. | riveting |
| Answer» C. welding | |