Write a short article about civilized language and five-word policy in safety work.

The language used in the work should be concise, accurate, civilized and standardized. When contacting the masses, speak kindly and use civilized terms such as "hello, please, you, sorry, thank you, goodbye". Pay attention to the use of appellation. When talking with ethnic minorities, religious figures and foreigners, you are not allowed to use the taboo words of the other side.

Speak Mandarin or the local common language when on duty.