Articles of cement for building purposes; articles of cement for construction purposes; blended cements; cement; cement base mixture for use in building; cement based coatings (other than in the nature of paint); cement based materials (other than in the nature of paint); cement based materials for use in maintaining buildings; cement based materials for use in preserving buildings; cement based materials for use in protecting buildings; cement based wall coatings; cement blocks; cement for building; cement mixes; cement mortar for use in construction; cement posts; cement slabs; cementitious building materials (other than in the nature of paint); cementitious coating products for protecting concrete (not paint); cementitious materials (other than in the nature of paint); cementitious materials for surfacing floors; cementitious patching compounds; cementitious patching mortars; cementitious products (other than in the nature of paint); cementitious sealing mortars; cements (other than adhesives); constructional components of reinforced cement mortar; mixtures of cement, sand and stone material; portland cement; products in the nature of cements for the repair of concrete; ready to use cement for building purposes; refractory cement; refractory products in the form of cement; sealing compounds for use in building (cementitious); substances made of cement for the filling of surface defects; substances made of cement for the repair of surface defects; surface coating compositions (cementitious); textured coatings (cementitious)