To promote, provide for and operate an apprenticeship and training program, which shall be registered with and approved by the Bureau of Apprenticeship and Training of the United States Department of Labor, with a view to ensuring the existence of a quality local work force in various crafts related to the building industry. Each class meets a total of 36 times per year (including registration and graduation nights). Classes meet one night per week during school calendar while working to obtain on-the-job training hours. Apprentices must be employed in their area of training as they are required to obtain a certain number of on-the-job training hours prior to graduation.