Building construction services; technical research and material testing; engineering project studies and reports; computer programming and construction drafting services relating to the construction of buildings; industrial design and engineering drawing services; building products and building material testing and analysis

Building materials including concrete and concrete products; and all other goods in this class

Precast concrete beams; precast concrete building elements; precast concrete floor elements; precast concrete floor slabs; precast concrete girders; articles of concrete for construction purposes; building elements of reinforced concrete; concrete; concrete formwork; concrete piles; premixed concrete