Not just Thai country. In some countries. Uniforms may be an important part in the initial study, for example, Japan is the sustainability of youth, ready to be part of discipline in the society etc.
Not just the UK In some countries Uniforms may be an important part in the study, such as Japan. Youth ready to be built as part of the discipline in society, and so on.
Not just country. In some countries. The uniform may be important in the study, such as Japan's stock youth to be ready to part of the discipline in the society. And so on.