Industrial robots used in the manufacture of building materials made of clay, concrete, and ceramic; machinery used in the manufacture of concrete, clay, and ceramic building materials, namely, mixers, coloring machines, conveyors, lifting racks, namely, automatic lifting machines equipped with racks for use in transporting ceramic and concrete tiles and bricks; curing chambers; ascenders, namely, automatic machines for use in moving bricks or concrete blocks from a lower level to a higher level during the manufacturing process; descending racks, namely, automatic machines for use in moving bricks or concrete blocks from a higher level to a lower level during the manufacturing process; hydraulic concrete products presses for use in the manufacture of concrete building materials; drying trays, and firing racks; machinery used in the packing of concrete, clay, and ceramic building materials with steel and plastic strapping, stretch wrapping, shrink film, and plastic bagging, namely, descenders, cubers, and pallet magazines

automatic finger cars, namely, wagons equipped with prongs for use in transporting unfired ceramic products to tunnel kilns for firing; and automated product transport systems for packaged concrete, clay, and ceramic building materials, namely, rail cars moving on rails through tunnel kilns for use in the manufacture of concrete, clay, and ceramic building materials

commercial construction supervision and management for others; planning and construction for others of complete factories for the manufacture of concrete, clay, and ceramic building materials; installation for others of systems and machinery for the manufacture of building materials; supervision of construction for others of industrial buildings and complete factories for the manufacture of building materials; and maintenance and repair for others of systems for the manufacture of building materials

design and engineering for others in the field of complete factories for the manufacture of concrete, ceramic, and clay products; design and engineering for others in the field of automatic handling, materials processing, and industrial data processing for concrete, clay, and ceramic products; design and engineering for others in the field of storage facilities for raw building materials, namely, cement and aggregate