Transportable booths not of metal for protection against ionizing radiation for non-medical use; portholes in the nature of glass vision windows for protection against ionizing radiation for non-medical use; shielded handling enclosures in the nature of transportable constructions not of metal for protection against ionizing radiation for non-medical use; prefabricated walls not of metal for protection against ionizing radiation for non-medical use; protective glass for use in construction ag...