; and (B) includes concrete block and related concrete units used in masonry applications. (6) Conflict of interest The term conflict of interest means, with respect to a member or employee of the Board, a situation in which such member or employee has a direct or indirect financial or other interest in a person that performs a service for, or enters into a contract with, for anything of economic value. (7) Department The term Department means the Department of Commerce. (8) Dry-Cast concrete The term dry-cast concrete means a composite material that is composed essentially of aggregates embedded in a binding medium composed of a mixture of cementitious materials (including hydraulic cement, pozzolans, or other cementitious materials) and water of such a consistency to maintain its shape after forming in a block machine. (9) Education The term education means programs that will educate or communicate the benefits of concrete masonry products in safe and environmentally sustainable development, advancements in concrete masonry product technology and development, and other information and programs designed to generate increased demand for commercial, residential, multifamily, and institutional projects using concrete masonry products and to generally enhance the image of concrete masonry products. (10) Machine cavities The term machine cavities means the cavities with which a block machine could be equipped. (11) Machine cavities in operation The term machine cavities in operation means those machine cavities associated with a block machine that have produced concrete masonry units within the last 6 months of the date set for determining eligibility and is fully operable and capable of producing concrete masonry units. (12) Manufacturer The term manufacturer means any person engaged in the manufacturing of commercial concrete masonry products in the United States. (13) Masonry unit The term masonry unit means a noncombustible building product intended to be laid by hand or joined using mortar, grout, surface