Experience that demonstrated knowledge of the vocational rehabilitation problems characteristic of the disabled, including familiarity with available resources and skill in identifying, evaluating, and making effective use of such resources to serve individuals with disabilities; or of the disadvantaged, including knowledge of adjustment problems of the educationally or culturally disadvantaged, familiarity with available adult education and training resources, and ability to recognize problem areas needing special attention. Experience in vocational guidance or teaching in a recognized vocational rehabilitation program or school, developmental or supervisory work in programs of vocational rehabilitation or training programs for the disadvantaged, or personnel or employment placement work that provided extensive knowledge of the training and adjustment requirements necessary to place persons having disabilities or social adjustment problems.