The one cultural of thailand is to greet each other, according to the tradition of Thai when we meet together. The tour is to show respect to elders. In addition to greeting. The tour can also be used to as a thank you or excuse me. Best regards and greetings by saying the word "Hello", "Excuse me," or "thank you" with a complete offer. The Wai Thai's done by hand to salute the two sides together. Fingers pointed up the sky at the end of the thumb are at various locations from chest to head plus bow head slightly down. Or use to receive offer. The more senior people are pointing fingers at the location between the eyebrows. In addition, the offer and said the word "Hello" can also be used with an optional farewell.