-keep clean. remember to flush the toilet after you use it. -silence.exam in progress what is the purpose of the notice? what does the notice mean?

you must clean the toilet after you use it

1. The purpose of the notice is to remind the readers to flush the toilet after using it. It means that the toilet has to always be kept clean.

2. The purpose is to remind the readers of the exam in progress. It means that we musn't make a noise during the exam.