MCQOPTIONS
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| 1. |
In PIC, any wax remnants are dissolved with the help of hot vapors of a solvent. Which solvent is used for this purpose? |
| A. | ethanol |
| B. | chlorofluorocarbon |
| C. | trichloroethylene |
| D. | any of the above |
| Answer» D. any of the above | |