Sec. 301.010. BONDS AS INVESTMENTS. Bonds issued by a hospital laundry cooperative association under this subchapter are legal and authorized investments for:(1) a bank; (2) a savings and loan association; (3) an insurance company; (4) a fiduciary; (5) a trustee; and(6) a sinking fund of a municipality, county, school district, or other political subdivision or corporation of the state or