A lot of people don't know that the operators in a cleanroom are the biggest sources of contamination. This is why, particles found on the human body, such as dust, skin particles, hair or even bacterial particles will have a big impact of the cleanliness class of the room. Through movement of employees, these particles will get air born in the clean environment, so that the particle emission can be increased by intensive movements many times.
It would be good to give cleanroom users a training and even a refreshment training ones and a while to keep their attention why and how to act in a cleanroom environment.
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