52:33-1.Ā  Definitions
Wherever in this chapter the following words are used, they shall be held toĀ  have the meanings hereinafter given:

"Public work" :Ā  Any public building, public highway, bridge, or other public betterment, work or improvement of a permanent nature, constructed, reconstructed, repaired or improved wholly at the expense of the public.

"Domestic materials" :Ā  Articles, materials and supplies mined or producedĀ  in the United States, and manufactured articles, materials and suppliesĀ  manufactured in the United States.