text: Facilities should be strengthened, classroom hygiene, corridors should be carried out in the afternoon after students have finished school or early in the morning, should not be left when opening the door to students at 7h20 new sweep very dust and affect students, early morning school in the corridor 7h15 - 7h20 also sweep very dust and sweep straight at students who are walking on the corridor is very difficult to behave expect the management of the facility to have more comments on this. The sentiment of this sentence is 