Teachers teach their students to keep the environment clean
Environmental hygiene is very important to be maintained both in private and public environments, which referred to the general environment is the school environment while the private environment such as family circle. The cleanliness of the school environment is very important for the progress of the school itself, where a clean school will create a good learning process, otherwise if the school environment is dirty it will have a negative impact, so that teaching and learning activities become disturbed, so students become lazy in learning and difficult to accept lessons conveyed by teachers.