Working in the cleanroom is subject to certain limitations. It is restricted to use cleanroom between 06.00 pm - 07.00 a.m. from Monday through Friday and on Saturdays, Sundays and holidays. Depending on the situation and the equipment to be used the following categories are distinguished:
- Working alone is allowed
- Working alone is not allowed.
The second category should not be exposed to the same risk and should be well qualified to operate in case of emergency.