(a) The term "board" as used in this article shall mean any
county court, municipal corporation or county board of education in
the state of West Virginia; (b) the term "athletic establishment"
shall be construed to mean and include athletic fields of all
types, stadiums, gymnasiums, field houses, and all other types of
athletic establishments capable of producing revenue, where the
cost of such acquisition, construction, extension, equipment or
improvements, together with reasonable interest thereon, will be
returned within a reasonable period, not exceeding thirty years, by
means of charges, rentals, radio broadcasting franchise fees, and
other tolls, fees and charges other than taxation; and shall mean
and include such athletic establishment in its entirety, and all
integral parts thereof.