regulation hobby principle
When the guests are ready to sit down at a dinner table, it is a31 [MASK]  for the men to help the ladies by32 pushing  their chairs under them, but some Americans no longer do this, so the visitors must33 take  notice of what others do and do the same.Some customs in America are really changing.In order to 34 avoid embarrassment , the best advice that is given to the 35 visitor  is that he or she should observe more before saying or doing.