MCQOPTIONS
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| 1. |
What is the temperature limit of the plastic pipe? |
| A. | 30ÀöC |
| B. | 40ÀöC |
| C. | 50ÀöC |
| D. | 60ÀöC |
| Answer» C. 50‚àö√Ñ‚àö‚àÇC | |