It shall be one of the purposes of this chapter to promote the regularization of employment in enterprises, localities, industries, and the state. The secretary, with the advice and aid of the advisory council, shall take all appropriate steps within his means to reduce and prevent unemployment; to encourage and assist in the adoption of practical methods of vocational training, retraining, and vocational guidance; to investigate, recommend, advise, and assist in the establishment and operation, by municipalities, counties, school districts, and the state, of reserves for public works to be used in times of business depression and unemployment; to promote the reemployment of unemployed workers throughout the state in every other way that may be feasible; and, to these ends, to employ experts and to carry on and publish the results of investigations and research studies.