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Emergency lighting is not set on the ceiling, it should be set on the wall.
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A must do!
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Emergency lighting fixtures and evacuation signs need to be set up in the pedestrian stairwells, basements, underground passages, equipment rooms, public places, rest platforms, corridors on each floor, and public restrooms on each floor of office buildings.
The rules need to be done, but they can be done thinner.
It's not a big problem if you don't do it, and the riser is better. >>>More
There is no regulation of how many square meters. Check the office building specifications, there is a number of people who should be set up with a squatting position, urinal, washbasin, etc. A sufficient number of sanitary ware in the bathroom will do. >>>More
It's best not to, it's easy to leave dirt on the stage, it's not good for hygiene, and the second is easy to cause wrestling.
Depending on the local policies and management, some places will charge fees, such as tourist cities.
If it's a public restroom, then everyone can use it.