The Secretary shall have the power—

((a)) ** Delegation of functions; appointment of personnel; technical assistance** to make delegations, to appoint such agents and employees, and to pay for technical assistance on a fee for service basis, as he deems necessary to assist him in the performance of his functions under this chapter;

((b)) ** Cooperation with other agencies, employers, labor organizations, and employment agencies** to cooperate with regional, State, local, and other agencies, and to cooperate with and furnish technical assistance to employers, labor organizations, and employment agencies to aid in effectuating the purposes of this chapter.