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Metal safety doors, namely, metal doors shielded against radiation; Interior panels, namely, wall, floor, and ceiling panels of metal; all of the aforementioned goods being in the nature of radiation-shielding building materials; Modular buildings, room and suites made primarily of metal, namely, modular radiation therapy buildings, room and suites including modular radiation therapy rooms and interiors therefor, all sold as a unit; radiation shielding building materials, namely, stackable composite modular blocks composed primarily of metallic materials with some cementitious aggregate materials

Radiation shielding building materials, namely, stackable composite modular blocks composed primarily of cementitious aggregate materials with some metallic materials; Non-metal safety doors, namely, non-metal doors shielded against radiation; interior panels, namely, wall, floor, and ceiling panels not of metal; all of the aforementioned goods being in the nature of radiation-shielding building materials; Modular buildings, room and suites made primarily of non-metal, namely, modular radiation therapy buildings, room and suites including modular radiation therapy rooms and interiors therefor, all sold as a unit

Construction, installation, repair, and maintenance of building structures and building interiors, namely, modular and turnkey radiation therapy rooms and interiors therefor; construction and installation of stackable composite modular blocks, shielding entry doors, building foundations, interior building panels, structural beams, and duct systems, all being for the purpose of radiation shielding