The following words and phrases when used in this act shall have, unless the context clearly indicates otherwise, the meanings given to them in this section:
"Person." Natural persons as well as corporations, partnerships, business units and associations.
"Public agency."
"Public works." Any structure, building, highway, waterway, street, bridge, transit system, airport or other betterment, work or improvement whether of a permanent or temporary nature and whether for governmental or proprietary use. The term includes, but is not limited to, any railway, street railway, subway, elevated and monorail passenger or passenger and rail rolling stock, self-propelled cars, gallery cars, locomotives, passenger buses, wires, poles and equipment for electrification of a transit system, rails, tracks, roadbeds, guideways, elevated structures, buildings, stations, terminals, docks, shelters and repairs to any of the foregoing.
"Steel products." Products rolled, formed, shaped, drawn, extruded, forged, cast, fabricated or otherwise similarly processed, or processed by a combination of two or more of such operations, from steel made in the United States by the open hearth, basic oxygen, electric furnace, Bessemer or other steel making process and shall include cast iron products and shall include machinery and equipment listed in United States Department of Commerce Standard Industrial Classification 25 (furniture and fixture), 35 (machinery, except electrical) and 37 (transportation equipment) and made of, fabricated from, or containing steel components. If a product contains both foreign and United States steel, such product shall be determined to be a United States steel product only if at least 75% of the cost of the articles, materials and supplies have been mined, produced or manufactured, as the case may be, in the United States. Transportation equipment shall be determined to be a United States steel product if it complies with section 165 of Public Law 97-424 (96 Stat. 2136).
"United States." The United States of America and includes all territory, continental or insular, subject to the jurisdiction of the United States.
73 P.S. § 1886