etiquette

US /ˈɛtɪˌkɛt, -kɪt/

UK /ˈetɪket/

B2
n. (u.)Uncountable NounRules regarding manners or good behavior
It is considered good etiquette to chew with your mouth closed

Video subtitles

Why Do the Chinese Use Chopsticks

05:41Why Do the Chinese Use Chopsticks

10 MOST COMMON ETIQUETTE MISTAKES | Do Not Do This!

09:1310 MOST COMMON ETIQUETTE MISTAKES | Do Not Do This!

I went to that Retro Vending Machine Park in Japan

31:44I went to that Retro Vending Machine Park in Japan