Hello guys! so, this is a Multimedia porject in the 8th Grade. This poster is about applying “4S”, also known as “Senyum, Sapa, Sopan, Santun”. Senyum (Smile), is a a sincere expression from the heart to show friendliness and happiness. Sapa (Greet), is a kind saying to start an interaction. Sopan (Manner), is speak and behave in accordance with applicable norms and ethics. Santun (Courteous) as gentle and loving attitude and reflects good ethics.