Concrete; concrete blocks; blocks of concrete; building blocks (non-metallic-); blocks (non-metallic-) for construction; blocks made of concrete intended for forming barriers; blocks made of concrete intended for forming security barriers; concrete barrier units for anti-terrorist and security applications; precast concrete barricade components; precast concrete defence systems; concrete bollards; concrete piles; concrete building elements; concrete building materials; reinforced concrete; reinforced concrete blocks; ready mixed concrete poured on site; aggregate materials for use in concrete; cast concrete; blocks of cast concrete; bastion defence walls of non-metallic materials; precast concrete products; prestressed and precast concrete walls and blocks; concrete walls for security; concrete barriers for security; building and construction materials (non-metallic); building components (non-metallic); cementitious and concrete building materials; building components (non-metallic) for buildings, walls, floors or ceilings; non-metallic walling, flooring and building blocks; concrete slabs for security; blocks of cement; wood blocks; concrete slabs; hollow core slabs; reinforced concrete blocks; reinforced concrete slabs; non-metal castings; non-metal castings for the construction of buildings, walls, floors or ceilings; parts and fittings for all of the aforementioned goods