When greeting each other and to elder people, the Thai men put the hands together to the front of the face, and the Thai women put to the front of the chest.
Thais put the palms together with men putting hands right in front of their face, while women putting hands before chest. This is the way they greet each other and the elders.
Male Thai put their hands together in front of their faces, female put their hands together in front of their chests to greeting each other or to their eldership.