"Adopt a concerned body posture, voice tone and facial expression."

Koreans: Expect good manners and patience from crew.

Japanese: Expect reading material, water with meal. "Do not be surprised if you ask a Japanese female a question and a male customer answers on her behalf."

Chinese: Mainland Chinese aren't fussy. Hong Kong Chinese are extremely demanding.

Tongans: There is "no need to shout at customer" as "they tend to be a softly-spoken, reserved people". Watch out though: "As alcohol is free on board a lot will be trying to drink the bar dry." Also "many young Tongan males look older than their actual age; if unsure ask for ID. This will not offend them."

Samoans: Coming from a tropical climate, they greatly appreciate rugs.