In this chapter:
(1) "Locality in which the work is performed" means:
(A) for a contract for a public work awarded by the state, the political subdivision of the state in which the public work is located:
(i) which may include a county, municipality, county and municipality, or district, except as provided by Subparagraph (ii); and
(ii) which, in a municipality with a population of 500,000 or more, may only include the geographic limits of the municipality; or
(B) for a contract for a public work awarded by a political subdivision of the state, the geographical limits of the political subdivision.
(2) "Public body" means a public body awarding a contract for a public work on behalf of the state or a political subdivision of the state.
(3) "Worker" includes a laborer or mechanic.