(a) In this section:
(1) "Surplus property" means personal property that is in excess of the needs of its owner, that is not required for the owner's foreseeable needs, and that possesses some usefulness for the purpose for which it was intended or for some other purpose.
(2) "Salvage property" means personal property, other than wastepaper, that because of use, time, or accident is so damaged, used, or consumed that it has no value for the purpose for which it was originally intended.
(b) The commissioners court of a county may contract to supply surplus or salvage property to any incorporated volunteer fire department with which the commissioners court has contracted under Section 352.001.