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Q. |
Which of the following chemicals are used in PBM? |
A. | harmful chlorinated fluorocarbons |
B. | acid cleaning chemicals |
C. | dissolvable solvent chemicals |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
Explanation: plasma beam machining uses no harmful chlorinated fluorocarbons, acid cleaning chemicals or any dissolvable solvents. |
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