Job Duties: Responsible for teaching math, science, language arts, social studies, physical education, or other subjects to students at the middle school level, using effective teaching methods including lectures, demonstrations, audiovisual aids and other materials to supplement presentations. Any individual may provide documentary evidence bearing on this application, with information about available workers and information on wages and working conditions, to the Regional Certifying Officer of the U.S. Department of Labor, whose contact information is as follows: United States Department of Labor.