Knocking before you open a door is a polite way to say you are coming in.
A gentle knock lets people get ready. It shows you respect their space.
More facts about Good Manners
Waiting for your turn is a kind way to show you care about others.
Covering your mouth when you cough helps keep your friends healthy.
Saying 'excuse me' is a polite way to pass by or get someone's attention.
Chewing food with your mouth closed is a nice table manner to share.
In Japan, people bow to say hello, thank you, and sorry — all with manners!