Apa yang harus dilakukan dan tidak harus dilakukan ketika didalam kamar tidur, rumah sakit, perpustakaan, dan laboratorium?? (masing² 1 contoh)

bed room 
should do : sleep on your bed
should not do: make a mess 

hospital
should do: follow the hospital's rules 
should not do: disturbing the patients

library
should do: after you done with the book, put it back to the place where you found it
should not do: shout in the library