(a) The county commission in any county is authorized without limiting any other levying authority the counties may have, to levy for and may erect, maintain and operate sheltered workshops in the county and may render financial aid to any one or more sheltered workshop facilities operating in the county.

(b) As used in this section:

(1) "Sheltered workshop" means a particular type of vocational rehabilitation facility where any manufacture or handiwork is carried on and which is operated by a public agency or by a private corporation or association, no part of the net earnings of which inures or may lawfully inure to the benefit of any private shareholder or individual, or by a cooperative, for the primary purpose of providing remunerative employment to disabled persons (a) as an interim step in the rehabilitation process for those who cannot be readily absorbed in the competitive labor market; or (b) during such time as employment opportunities for them in the competitive labor market do not exist; or (c) for providing vocational evaluation and work adjustment services for disadvantaged persons.

(2) "Vocational rehabilitation facility" means a facility which is operated for the primary purpose of providing vocational rehabilitation services to, or gainful employment for, handicapped individuals, or, for providing evaluation and work adjustment services for disadvantaged individuals, and which provides singly or in combination one or more of the following services for handicapped individuals: (a) Comprehensive rehabilitation services which shall include, under one management, medical, psychological, social and vocational services; (b) testing, fitting or training in the use of prosthetic and orthopedic devices; (c) prevocational conditioning or recreational therapy; (d) physical and occupational therapy; (e) therapy for speech and hearing pathology; (f) psychological and social services; (g) evaluation; (h) personal and work adjustment; (i) vocational training (in combination with other rehabilitation services); (j) evaluation or control of special disabilities; and (k) extended employment for the severely handicapped who cannot be readily absorbed in the competitive labor market; but all medical and related health services must be prescribed by, or under the formal supervision of, persons licensed to practice medicine or surgery in the state.