Secure Zone In Case Of Earthquakes:
The “secure zone” is the open vestibule for the building – I have no idea whether the construction has been reinforced in some way, but it didn’t look all that “secure” to me!

They mean – don’t put the toilet paper in the toilet! Put it in the can beside:

Can’t tell you how hard that is to remember. I’ve fished out soggy, used toilet paper on several occasions. This is everywhere! The sewage system simply can’t handle the paper waste.