Aggregate materials for use in concrete; aggregates for use in the preparation of concrete; architectural concrete products; architectural concrete products for building purposes; articles of concrete for building purposes; building elements made of concrete; building elements of concrete; building elements of reinforced concrete; concrete; concrete aggregate; concrete articles for building walls; concrete building elements; concrete building panels; concrete flooring blocks; concrete for pouring; concrete formwork; concrete panels; concrete products for use in building; concrete products for use in gardens; concrete products for use in landscaping; concrete products for use in roadways; concrete products for use in walkways; concrete provided with coloured surface finishes; concrete provided with decorative surface finishes; concrete provided with pattern imprinted surface finishes; concrete reinforced with synthetic fibres; concrete slabs; liquid applied coatings for concrete (not paints); materials of concrete for coating building elements; precast concrete building elements; precast concrete floor elements; precast concrete floor slabs; precast concrete girders; preformed building panels made of concrete; preformed building panels made of concrete and foamed plastics; preformed building panels made principally of concrete; preformed concrete building elements; premixed concrete; premixed concrete base; premixed concrete poured on site; premixed concrete provided with a decorative surface finish; ready to use concrete; reinforced concrete