What is rude vs. what is not rude in Japan

(1) But it’s a bit funny
(2)Silane:
(3)1 Bicycle Bee Ring
(4)2. Knocking
(5)What Schiele knew:
(6)1 Ask Ming Dynasty to get out of the way
(7)2. Sink in and colonize
(8)3. Arresting people in the colony saying they never did anything like that.
(9)4. Discharging radioactive contaminated water
(10)Similarly, in Japan, it is a shame to open the door to see if there are people in the bathroom.
(11)+gam;++~<(12)+7
(13)21 speed
(14)5.899
(15)1st
(16)72.4 steps