What are the four main sources of cleanroom
and controlled work area contamination?
- Dirt, grease, grime and nicotine
- Chemicals, processes, process equipment, and personnel
- Sunlight, outside air, carbon monoxide, and personnel
You are correct! The answer is B. Chemicals, processes, process equipment, and
personnel.
Incorrect. The answer is B. Chemicals, processes, process equipment, and
personnel.
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