When you are at work, it should not be artificial: it is interfering with your colleagues need to use polite words. Not joking together while working may affect employment, work out badly.
When at work Do not talk loudly It will disturb colleagues. Must use polite words Do not tease each other while working This may result in a job. It did not work out as well as it should.
When at work, should not talk loudly, because it will disturb the colleagues to use คำพูดที่ polite. Don't tease while working, because it may result in to the job. Make it not as good as it should be!