For instance, when you're resting a pair of chopsticks while the food cooks, never leave them standing upright in a bowl.

If you thought people using chopsticks follow the same protocol in cultures throughout Asia, start taking notes. SEE ALSO: Why Asian 7-Eleven stores are a food lover's dream For instance ...

Arguments have raged for years in Japan about the merits of disposable wooden chopsticks, a mainstay of restaurants and ready-made boxed bento meals sold in convenience stores and supermarkets.